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CVE-2026-71542 (GCVE-0-2026-71542)

Vulnerability from nvd – Published: 2026-10-01 19:40 – Updated: 2026-10-01 19:51

Title

GetSimple CMS: Stored Cross-Site Scripting (XSS) via the "title" parameter in admin/components.php

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, GetSimpleCMS-CE is vulnerable to stored Cross-Site Scripting (XSS) in the "Theme to Components" functionality (admin/components.php) via the title parameter. The stored title is rendered inside a double-quoted HTML attribute in the administrative interface through an output path that HTML-entity-decodes the value before printing it, without re-encoding for the attribute context. This allows persistent execution of arbitrary JavaScript in the admin panel. At time of publication, there are no publicly available patches.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:51 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-71542",
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          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
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          "product": "GetSimpleCMS-CE",
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            }
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          "lang": "en",
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        }
      ],
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          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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            "subAvailabilityImpact": "NONE",
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            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
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            }
          ]
        }
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        "dateUpdated": "2026-10-01T19:40:04.001Z",
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        "discovery": "UNKNOWN"
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      "title": "GetSimple CMS: Stored Cross-Site Scripting (XSS) via the \"title\" parameter in admin/components.php"
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    "datePublished": "2026-10-01T19:40:04.001Z",
    "dateReserved": "2026-08-06T21:24:15.375Z",
    "dateUpdated": "2026-10-01T19:51:29.324Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-71426 (GCVE-0-2026-71426)

Vulnerability from nvd – Published: 2026-10-01 19:39 – Updated: 2026-10-01 19:52

Title

GetSimple CMS: Authenticated Stored Local File Inclusion (LFI) via page "template" field

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, an authenticated user with page-editing rights can store an arbitrary filesystem path in a page's template attribute. On the public front-end, this value is passed unsanitized to a PHP include() when the page is rendered. Because the include path is never confined, this allows directory-traversal Local File Inclusion: arbitrary local files are included (and, if they contain PHP, executed) when any visitor requests the page. At time of publication, there are no publicly available patches.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:51 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-98 - Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
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                "id": "CVE-2026-71426",
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                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-01T19:51:37.247113Z",
                "version": "2.0.3"
              },
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        ],
        "title": "CISA ADP Vulnrichment"
      }
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            }
          ]
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        }
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      "metrics": [
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            }
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        }
      ],
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        "advisory": "GHSA-559q-hqrv-m84x",
        "discovery": "UNKNOWN"
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  },
  "dataType": "CVE_RECORD",
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}

CVE-2026-70650 (GCVE-0-2026-70650)

Vulnerability from nvd – Published: 2026-10-01 19:39 – Updated: 2026-10-01 19:39

Title

GetSimple CMS: Authenticated Stored XSS in backup viewer (backup-edit.php) via output decoding of page meta fields and content

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, an authenticated stored Cross-Site Scripting (XSS) vulnerability exists in the page backup viewer (admin/backup-edit.php). Page fields are correctly HTML-encoded when a page is saved, but the backup viewer decodes them again (htmldecode() / strip_decode()) and prints the result without re-escaping. A user who can edit a page can store JavaScript in a page's Keywords, Description, Menu text or Content; it executes in the browser of any administrator who later views that page's backup, in the context of the admin control panel. At time of publication, there are no publicly available patches.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "GetSimpleCMS-CE",
          "vendor": "GetSimpleCMS-CE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 3.3.22"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, an authenticated stored Cross-Site Scripting (XSS) vulnerability exists in the page backup viewer (admin/backup-edit.php). Page fields are correctly HTML-encoded when a page is saved, but the backup viewer decodes them again (htmldecode() / strip_decode()) and prints the result without re-escaping. A user who can edit a page can store JavaScript in a page\u0027s Keywords, Description, Menu text or Content; it executes in the browser of any administrator who later views that page\u0027s backup, in the context of the admin control panel. At time of publication, there are no publicly available patches."
        }
      ],
      "metrics": [
        {
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            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
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            "subAvailabilityImpact": "NONE",
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            "subIntegrityImpact": "NONE",
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            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N",
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            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "HIGH"
          }
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      ],
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          "descriptions": [
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              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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            }
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        "dateUpdated": "2026-10-01T19:39:00.958Z",
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          ],
          "url": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-p6vf-2xr7-mcf4"
        }
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        "advisory": "GHSA-p6vf-2xr7-mcf4",
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      },
      "title": "GetSimple CMS: Authenticated Stored XSS in backup viewer (backup-edit.php) via output decoding of page meta fields and content"
    }
  },
  "cveMetadata": {
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    "dateReserved": "2026-08-04T21:48:08.612Z",
    "dateUpdated": "2026-10-01T19:39:00.958Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2026-56662 (GCVE-0-2026-56662)

Vulnerability from nvd – Published: 2026-10-01 19:38 – Updated: 2026-10-01 19:38

Title

GetSimple CMS: Missing CSRF protection in UpdateCE allows forging a privileged server-side update request

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the UpdateCE update form contained no anti-CSRF token, and the POST handler performed no token or request-origin verification. A remote attacker can host a page that auto-submits a forged POST to the update endpoint; when an authenticated administrator visits it, the server performs an attacker-directed download-and-deploy operation in the administrator's session — with no further interaction. Because the deployed content is executed (see the related ZIP-extraction advisory), this yields remote code execution. The url field is additionally written into the form unescaped, providing a secondary HTML-injection sink via a malicious upgrade.json. This issue has been patched in version 1.5.

Severity

9.6 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: < 1.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "GetSimpleCMS-CE",
          "vendor": "GetSimpleCMS-CE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.5"
            }
          ]
        }
      ],
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        {
          "lang": "en",
          "value": "GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the UpdateCE update form contained no anti-CSRF token, and the POST handler performed no token or request-origin verification. A remote attacker can host a page that auto-submits a forged POST to the update endpoint; when an authenticated administrator visits it, the server performs an attacker-directed download-and-deploy operation in the administrator\u0027s session \u2014 with no further interaction. Because the deployed content is executed (see the related ZIP-extraction advisory), this yields remote code execution. The url field is additionally written into the form unescaped, providing a secondary HTML-injection sink via a malicious upgrade.json. This issue has been patched in version 1.5."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
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              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-01T19:38:30.623Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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      },
      "references": [
        {
          "name": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-2rxv-4g4m-573w",
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          ],
          "url": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-2rxv-4g4m-573w"
        }
      ],
      "source": {
        "advisory": "GHSA-2rxv-4g4m-573w",
        "discovery": "UNKNOWN"
      },
      "title": "GetSimple CMS: Missing CSRF protection in UpdateCE allows forging a privileged server-side update request"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-56662",
    "datePublished": "2026-10-01T19:38:30.623Z",
    "dateReserved": "2026-06-22T16:39:01.043Z",
    "dateUpdated": "2026-10-01T19:38:30.623Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-56661 (GCVE-0-2026-56661)

Vulnerability from nvd – Published: 2026-10-01 19:38 – Updated: 2026-10-01 19:50

Title

GetSimple CMS: Server-Side Request Forgery in the UpdateCE update endpoint

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the update handler fetches a user-supplied URL with file_get_contents() after only format validation (FILTER_VALIDATE_URL) — there is no validation of the request destination. An attacker who can submit the form can make the server issue requests to arbitrary destinations, including internal-only services and cloud metadata endpoints (169.254.169.254). The fetched response body is written to a web-accessible file (/Tmpfile.zip) and is not deleted when the content is not a valid ZIP, turning this into a full-read SSRF: the attacker can retrieve the response of the internal request directly. This issue has been patched in version 1.5.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:50 UTC

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: < 1.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-56661",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-01T19:50:31.476852Z",
                "version": "2.0.3"
              },
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          }
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          "dateUpdated": "2026-10-01T19:50:54.335Z",
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        }
      ],
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          "cvssV3_1": {
            "attackComplexity": "LOW",
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          }
        }
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              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
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              "type": "CWE"
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      ],
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      "source": {
        "advisory": "GHSA-r7v8-mx29-5q8h",
        "discovery": "UNKNOWN"
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      "title": "GetSimple CMS: Server-Side Request Forgery in the UpdateCE update endpoint"
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CVE-2026-56660 (GCVE-0-2026-56660)

Vulnerability from nvd – Published: 2026-10-01 19:37 – Updated: 2026-10-01 19:54

Title

GetSimple CMS: CSRF, SSRF, and Unrestricted Zip Extraction

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the update handler in UpdateCE.php downloads a ZIP archive and extracts its contents into the web root without validating file types or extraction paths. Because PHP files are written into a web-accessible directory, an attacker who can cause a malicious archive to be processed achieves remote code execution as the web-server user. Entry names are also used unsafely, allowing directory traversal (../) to write files outside the intended extraction directory. This issue has been patched in version 1.5.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:53 UTC

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)
CWE-434 - Unrestricted Upload of File with Dangerous Type
CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: < 1.5

Show details on NVD website

JSON

To clipboard

{
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      {
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                "id": "CVE-2026-56660",
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CVE-2026-53953 (GCVE-0-2026-53953)

Vulnerability from nvd – Published: 2026-10-01 19:36 – Updated: 2026-10-01 19:36

Title

GetSimple CMS: Predictable Password Reset Password Allows Administrator Account Takeover

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In version 3.3.22, the password reset endpoint can be accessed without authentication. When a reset request is submitted for an existing user, the application generates a new temporary password and immediately stores its hash as the user's new password. The temporary password is generated using PHP rand() seeded with microtime(). Because this seed is time-based and has a limited effective search space, an attacker can generate possible reset password candidates. Since the admin login endpoint does not enforce rate limiting or account lockout, these candidates can be tested online until the correct password is found. Successful exploitation may lead to administrator account takeover. At time of publication, there are no publicly available patches.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CWE-640 - Weak Password Recovery Mechanism for Forgotten Password

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: = 3.3.22

Show details on NVD website

JSON

To clipboard

{
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    "cna": {
      "affected": [
        {
          "product": "GetSimpleCMS-CE",
          "vendor": "GetSimpleCMS-CE",
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              "version": "= 3.3.22"
            }
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      ],
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
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CVE-2026-53952 (GCVE-0-2026-53952)

Vulnerability from nvd – Published: 2026-09-11 19:23 – Updated: 2026-09-14 18:18

Title

GetSimple CMS & GetSimpleCMS-CE have an Unauthenticated Admin Account Creation via Setup Logic Flaw

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. A logic flaw in GetSimple CMS (v3.4.0a and below) and GetSimpleCMS-CE (v3.3.22 and below) allows unauthenticated attackers to create a new administrator account. The application features an automated security control designed to delete the sensitive `admin/setup.php` file post-installation. However, this control is neutralized by a self-exclusion bug within the deletion logic, leaving the setup script accessible for unauthorized account creation even after a legitimate installation is completed. As of time of publication, no known patched versions are available.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-14 17:11 UTC

CWE

CWE-285 - Improper Authorization
CWE-306 - Missing Authentication for Critical Function
CWE-489 - Active Debug Code

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22
GetSimpleCMS	GetSimpleCMS	Affected: <= 3.4.0a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
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                "id": "CVE-2026-53952",
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CVE-2026-28495 (GCVE-0-2026-28495)

Vulnerability from nvd – Published: 2026-03-10 19:25 – Updated: 2026-03-10 19:51

Title

GetSimple CMS has CSRF to Remote Code Execution via Arbitrary PHP Write in gsconfig.php

Summary

GetSimple CMS is a content management system. The massiveAdmin plugin (v6.0.3) bundled with GetSimpleCMS-CE v3.3.22 allows an authenticated administrator to overwrite the gsconfig.php configuration file with arbitrary PHP code via the gsconfig editor module. The form lacks CSRF protection, enabling a remote unauthenticated attacker to exploit this via Cross-Site Request Forgery against a logged-in admin, achieving Remote Code Execution (RCE) on the web server.

Severity

9.7 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-10 19:50 UTC

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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          }
        }
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CVE-2026-26351 (GCVE-0-2026-26351)

Vulnerability from nvd – Published: 2026-02-24 22:05 – Updated: 2026-07-14 18:39

Title

GetSimpleCMS-CE < 3.3.22 Stored XSS via components.php

Summary

GetSimpleCMS Community Edition (CE) versions prior to 3.3.22 (3.3.16 tested) contains a stored cross-site scripting (XSS) vulnerability in the Theme to Components functionality within components.php. User-supplied input provided to the "slug" field of a component is stored without proper output encoding. While other fields are sanitized using safe_slash_html(), the slug parameter is written to XML and later rendered in the administrative interface without sanitation, resulting in persistent execution of arbitrary JavaScript. An authenticated administrator can inject malicious script content that executes whenever the affected Components page is viewed by any authenticated user, enabling session hijacking, unauthorized administrative actions, and persistent compromise of the CMS administrative interface.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-27 20:53 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

VulnCheck mitre root Scorecard

References

4 references

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	vendor-advisory
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	release-notespatch
https://getsimple-ce.ovh/	product
https://www.vulncheck.com/advisories/getsimplecms…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: 3.3.16 Unaffected: 3.3.22 cpe:2.3:a:get-simple:getsimplecms:3.3.22:::::::*

Credits

Beatriz Fresno Naumova VulnCheck

Show details on NVD website

JSON

To clipboard

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CVE-2026-27202 (GCVE-0-2026-27202)

Vulnerability from nvd – Published: 2026-02-20 23:26 – Updated: 2026-02-25 21:30

Title

GetSimple CMS: Uploaded Files (feature) Arbitrary File Read Vulnerability

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS have a flaw in the Uploaded Files feature that allows for arbitrary file reads. This issue has not been fixed at the time of publication.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:29 UTC

CWE

CWE-23 - Relative Path Traversal
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-27161 (GCVE-0-2026-27161)

Vulnerability from nvd – Published: 2026-02-20 23:19 – Updated: 2026-02-25 21:30

Title

Unauthenticated Information Disclosure via .htaccess Reliance in Sensitive Directories

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS rely on .htaccess files to restrict access to sensitive directories such as /data/ and /backups/. If Apache AllowOverride is disabled (common in hardened or shared hosting environments), these protections are silently ignored, allowing unauthenticated attackers to list and download sensitive files including authorization.xml, which contains cryptographic salts and API keys. This issue does not have a fix at the time of publication.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:30 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-27147 (GCVE-0-2026-27147)

Vulnerability from nvd – Published: 2026-02-20 23:14 – Updated: 2026-02-25 21:27

Title

GetSimple CMS: Stored Cross-Site Scripting (XSS) via SVG File Upload (Authenticated)

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS are vulnerable to XSS through SVG file uploads. Authenticated users can upload SVG files via the administrative upload functionality, but they are not properly sanitized or restricted, allowing an attacker to embed malicious JavaScript. When the uploaded SVG file is accessed, the script executes in the browser. This issue does not have a fix at the time of publication.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:26 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-27146 (GCVE-0-2026-27146)

Vulnerability from nvd – Published: 2026-02-20 23:10 – Updated: 2026-02-25 21:31

Title

GetSimple CMS: Cross-Site Request Forgery (CSRF) in File Upload Allows Arbitrary Uploads

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection on the administrative file upload endpoint. As a result, an attacker can craft a malicious web page that silently triggers a file upload request from an authenticated victim’s browser. The request is accepted without requiring a CSRF token or origin validation. This allows an attacker to upload arbitrary files to the application without the victim’s knowledge or consent. In order to exploit this vulnerability, the victim must be authenticated to GetSimple CMS (e.g., admin user), and visit an attacker-controlled webpage. This issue does not have a fix at the time of publication.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:31 UTC

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)
CWE-434 - Unrestricted Upload of File with Dangerous Type

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2025-48492 (GCVE-0-2025-48492)

Vulnerability from nvd – Published: 2025-05-30 06:13 – Updated: 2025-05-30 12:25

Title

GetSimple CMS RCE in Edit component

Summary

GetSimple CMS is a content management system. In versions starting from 3.3.16 to 3.3.21, an authenticated user with access to the Edit component can inject arbitrary PHP into a component file and execute it via a crafted query string, resulting in Remote Code Execution (RCE). This issue is set to be patched in version 3.3.22.

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-30 12:24 UTC

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: >= 3.3.16, <= 3.3.21

Show details on NVD website

JSON

To clipboard

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CVE-2026-71542 (GCVE-0-2026-71542)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:40 – Updated: 2026-10-01 19:51

Title

GetSimple CMS: Stored Cross-Site Scripting (XSS) via the "title" parameter in admin/components.php

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, GetSimpleCMS-CE is vulnerable to stored Cross-Site Scripting (XSS) in the "Theme to Components" functionality (admin/components.php) via the title parameter. The stored title is rendered inside a double-quoted HTML attribute in the administrative interface through an output path that HTML-entity-decodes the value before printing it, without re-encoding for the attribute context. This allows persistent execution of arbitrary JavaScript in the admin panel. At time of publication, there are no publicly available patches.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:51 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-71426 (GCVE-0-2026-71426)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:39 – Updated: 2026-10-01 19:52

Title

GetSimple CMS: Authenticated Stored Local File Inclusion (LFI) via page "template" field

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, an authenticated user with page-editing rights can store an arbitrary filesystem path in a page's template attribute. On the public front-end, this value is passed unsanitized to a PHP include() when the page is rendered. Because the include path is never confined, this allows directory-traversal Local File Inclusion: arbitrary local files are included (and, if they contain PHP, executed) when any visitor requests the page. At time of publication, there are no publicly available patches.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:51 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-98 - Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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          "product": "GetSimpleCMS-CE",
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              "status": "affected",
              "version": "\u003c= 3.3.22"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, an authenticated user with page-editing rights can store an arbitrary filesystem path in a page\u0027s template attribute. On the public front-end, this value is passed unsanitized to a PHP include() when the page is rendered. Because the include path is never confined, this allows directory-traversal Local File Inclusion: arbitrary local files are included (and, if they contain PHP, executed) when any visitor requests the page. At time of publication, there are no publicly available patches."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-98",
              "description": "CWE-98: Improper Control of Filename for Include/Require Statement in PHP Program (\u0027PHP Remote File Inclusion\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-01T19:39:29.439Z",
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      },
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          "name": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-559q-hqrv-m84x",
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          ],
          "url": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-559q-hqrv-m84x"
        }
      ],
      "source": {
        "advisory": "GHSA-559q-hqrv-m84x",
        "discovery": "UNKNOWN"
      },
      "title": "GetSimple CMS: Authenticated Stored Local File Inclusion (LFI) via page \"template\" field"
    }
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    "dateUpdated": "2026-10-01T19:52:46.391Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-70650 (GCVE-0-2026-70650)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:39 – Updated: 2026-10-01 19:39

Title

GetSimple CMS: Authenticated Stored XSS in backup viewer (backup-edit.php) via output decoding of page meta fields and content

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, an authenticated stored Cross-Site Scripting (XSS) vulnerability exists in the page backup viewer (admin/backup-edit.php). Page fields are correctly HTML-encoded when a page is saved, but the backup viewer decodes them again (htmldecode() / strip_decode()) and prints the result without re-escaping. A user who can edit a page can store JavaScript in a page's Keywords, Description, Menu text or Content; it executes in the browser of any administrator who later views that page's backup, in the context of the admin control panel. At time of publication, there are no publicly available patches.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "GetSimpleCMS-CE",
          "vendor": "GetSimpleCMS-CE",
          "versions": [
            {
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        }
      ],
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          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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      },
      "title": "GetSimple CMS: Authenticated Stored XSS in backup viewer (backup-edit.php) via output decoding of page meta fields and content"
    }
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CVE-2026-56662 (GCVE-0-2026-56662)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:38 – Updated: 2026-10-01 19:38

Title

GetSimple CMS: Missing CSRF protection in UpdateCE allows forging a privileged server-side update request

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the UpdateCE update form contained no anti-CSRF token, and the POST handler performed no token or request-origin verification. A remote attacker can host a page that auto-submits a forged POST to the update endpoint; when an authenticated administrator visits it, the server performs an attacker-directed download-and-deploy operation in the administrator's session — with no further interaction. Because the deployed content is executed (see the related ZIP-extraction advisory), this yields remote code execution. The url field is additionally written into the form unescaped, providing a secondary HTML-injection sink via a malicious upgrade.json. This issue has been patched in version 1.5.

Severity

9.6 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: < 1.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "GetSimpleCMS-CE",
          "vendor": "GetSimpleCMS-CE",
          "versions": [
            {
              "status": "affected",
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            }
          ]
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
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          "descriptions": [
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              "cweId": "CWE-352",
              "description": "CWE-352: Cross-Site Request Forgery (CSRF)",
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              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-01T19:38:30.623Z",
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      "source": {
        "advisory": "GHSA-2rxv-4g4m-573w",
        "discovery": "UNKNOWN"
      },
      "title": "GetSimple CMS: Missing CSRF protection in UpdateCE allows forging a privileged server-side update request"
    }
  },
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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    "dateReserved": "2026-06-22T16:39:01.043Z",
    "dateUpdated": "2026-10-01T19:38:30.623Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-56661 (GCVE-0-2026-56661)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:38 – Updated: 2026-10-01 19:50

Title

GetSimple CMS: Server-Side Request Forgery in the UpdateCE update endpoint

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the update handler fetches a user-supplied URL with file_get_contents() after only format validation (FILTER_VALIDATE_URL) — there is no validation of the request destination. An attacker who can submit the form can make the server issue requests to arbitrary destinations, including internal-only services and cloud metadata endpoints (169.254.169.254). The fetched response body is written to a web-accessible file (/Tmpfile.zip) and is not deleted when the content is not a valid ZIP, turning this into a full-read SSRF: the attacker can retrieve the response of the internal request directly. This issue has been patched in version 1.5.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:50 UTC

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: < 1.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
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                "id": "CVE-2026-56661",
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                  },
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                    "Technical Impact": "partial"
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      ],
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        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
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CVE-2026-56660 (GCVE-0-2026-56660)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:37 – Updated: 2026-10-01 19:54

Title

GetSimple CMS: CSRF, SSRF, and Unrestricted Zip Extraction

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the update handler in UpdateCE.php downloads a ZIP archive and extracts its contents into the web root without validating file types or extraction paths. Because PHP files are written into a web-accessible directory, an attacker who can cause a malicious archive to be processed achieves remote code execution as the web-server user. Entry names are also used unsafely, allowing directory traversal (../) to write files outside the intended extraction directory. This issue has been patched in version 1.5.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 19:53 UTC

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)
CWE-434 - Unrestricted Upload of File with Dangerous Type
CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: < 1.5

Show details on NVD website

JSON

To clipboard

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      {
        "metrics": [
          {
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CVE-2026-53953 (GCVE-0-2026-53953)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:36 – Updated: 2026-10-01 19:36

Title

GetSimple CMS: Predictable Password Reset Password Allows Administrator Account Takeover

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In version 3.3.22, the password reset endpoint can be accessed without authentication. When a reset request is submitted for an existing user, the application generates a new temporary password and immediately stores its hash as the user's new password. The temporary password is generated using PHP rand() seeded with microtime(). Because this seed is time-based and has a limited effective search space, an attacker can generate possible reset password candidates. Since the admin login endpoint does not enforce rate limiting or account lockout, these candidates can be tested online until the correct password is found. Successful exploitation may lead to administrator account takeover. At time of publication, there are no publicly available patches.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CWE-640 - Weak Password Recovery Mechanism for Forgotten Password

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: = 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-53952 (GCVE-0-2026-53952)

Vulnerability from cvelistv5 – Published: 2026-09-11 19:23 – Updated: 2026-09-14 18:18

Title

GetSimple CMS & GetSimpleCMS-CE have an Unauthenticated Admin Account Creation via Setup Logic Flaw

Summary

GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. A logic flaw in GetSimple CMS (v3.4.0a and below) and GetSimpleCMS-CE (v3.3.22 and below) allows unauthenticated attackers to create a new administrator account. The application features an automated security control designed to delete the sensitive `admin/setup.php` file post-installation. However, this control is neutralized by a self-exclusion bug within the deletion logic, leaving the setup script accessible for unauthorized account creation even after a legitimate installation is completed. As of time of publication, no known patched versions are available.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-14 17:11 UTC

CWE

CWE-285 - Improper Authorization
CWE-306 - Missing Authentication for Critical Function
CWE-489 - Active Debug Code

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22
GetSimpleCMS	GetSimpleCMS	Affected: <= 3.4.0a

Show details on NVD website

JSON

To clipboard

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CVE-2026-28495 (GCVE-0-2026-28495)

Vulnerability from cvelistv5 – Published: 2026-03-10 19:25 – Updated: 2026-03-10 19:51

Title

GetSimple CMS has CSRF to Remote Code Execution via Arbitrary PHP Write in gsconfig.php

Summary

GetSimple CMS is a content management system. The massiveAdmin plugin (v6.0.3) bundled with GetSimpleCMS-CE v3.3.22 allows an authenticated administrator to overwrite the gsconfig.php configuration file with arbitrary PHP code via the gsconfig editor module. The form lacks CSRF protection, enabling a remote unauthenticated attacker to exploit this via Cross-Site Request Forgery against a logged-in admin, achieving Remote Code Execution (RCE) on the web server.

Severity

9.7 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-10 19:50 UTC

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-26351 (GCVE-0-2026-26351)

Vulnerability from cvelistv5 – Published: 2026-02-24 22:05 – Updated: 2026-07-14 18:39

Title

GetSimpleCMS-CE < 3.3.22 Stored XSS via components.php

Summary

GetSimpleCMS Community Edition (CE) versions prior to 3.3.22 (3.3.16 tested) contains a stored cross-site scripting (XSS) vulnerability in the Theme to Components functionality within components.php. User-supplied input provided to the "slug" field of a component is stored without proper output encoding. While other fields are sanitized using safe_slash_html(), the slug parameter is written to XML and later rendered in the administrative interface without sanitation, resulting in persistent execution of arbitrary JavaScript. An authenticated administrator can inject malicious script content that executes whenever the affected Components page is viewed by any authenticated user, enabling session hijacking, unauthorized administrative actions, and persistent compromise of the CMS administrative interface.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-27 20:53 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

VulnCheck mitre root Scorecard

References

4 references

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	vendor-advisory
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	release-notespatch
https://getsimple-ce.ovh/	product
https://www.vulncheck.com/advisories/getsimplecms…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: 3.3.16 Unaffected: 3.3.22 cpe:2.3:a:get-simple:getsimplecms:3.3.22:::::::*

Credits

Beatriz Fresno Naumova VulnCheck

Show details on NVD website

JSON

To clipboard

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CVE-2026-27202 (GCVE-0-2026-27202)

Vulnerability from cvelistv5 – Published: 2026-02-20 23:26 – Updated: 2026-02-25 21:30

Title

GetSimple CMS: Uploaded Files (feature) Arbitrary File Read Vulnerability

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS have a flaw in the Uploaded Files feature that allows for arbitrary file reads. This issue has not been fixed at the time of publication.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:29 UTC

CWE

CWE-23 - Relative Path Traversal
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-27161 (GCVE-0-2026-27161)

Vulnerability from cvelistv5 – Published: 2026-02-20 23:19 – Updated: 2026-02-25 21:30

Title

Unauthenticated Information Disclosure via .htaccess Reliance in Sensitive Directories

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS rely on .htaccess files to restrict access to sensitive directories such as /data/ and /backups/. If Apache AllowOverride is disabled (common in hardened or shared hosting environments), these protections are silently ignored, allowing unauthenticated attackers to list and download sensitive files including authorization.xml, which contains cryptographic salts and API keys. This issue does not have a fix at the time of publication.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:30 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-27147 (GCVE-0-2026-27147)

Vulnerability from cvelistv5 – Published: 2026-02-20 23:14 – Updated: 2026-02-25 21:27

Title

GetSimple CMS: Stored Cross-Site Scripting (XSS) via SVG File Upload (Authenticated)

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS are vulnerable to XSS through SVG file uploads. Authenticated users can upload SVG files via the administrative upload functionality, but they are not properly sanitized or restricted, allowing an attacker to embed malicious JavaScript. When the uploaded SVG file is accessed, the script executes in the browser. This issue does not have a fix at the time of publication.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:26 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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CVE-2026-27146 (GCVE-0-2026-27146)

Vulnerability from cvelistv5 – Published: 2026-02-20 23:10 – Updated: 2026-02-25 21:31

Title

GetSimple CMS: Cross-Site Request Forgery (CSRF) in File Upload Allows Arbitrary Uploads

Summary

GetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection on the administrative file upload endpoint. As a result, an attacker can craft a malicious web page that silently triggers a file upload request from an authenticated victim’s browser. The request is accepted without requiring a CSRF token or origin validation. This allows an attacker to upload arbitrary files to the application without the victim’s knowledge or consent. In order to exploit this vulnerability, the victim must be authenticated to GetSimple CMS (e.g., admin user), and visit an attacker-controlled webpage. This issue does not have a fix at the time of publication.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-25 21:31 UTC

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)
CWE-434 - Unrestricted Upload of File with Dangerous Type

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: <= 3.3.22

Show details on NVD website

JSON

To clipboard

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          "url": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-26rv-8wpp-q84r"
        }
      ],
      "source": {
        "advisory": "GHSA-26rv-8wpp-q84r",
        "discovery": "UNKNOWN"
      },
      "title": "GetSimple CMS:  Cross-Site Request Forgery (CSRF) in File Upload Allows Arbitrary Uploads"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-27146",
    "datePublished": "2026-02-20T23:10:09.992Z",
    "dateReserved": "2026-02-18T00:18:53.961Z",
    "dateUpdated": "2026-02-25T21:31:27.726Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2025-48492 (GCVE-0-2025-48492)

Vulnerability from cvelistv5 – Published: 2025-05-30 06:13 – Updated: 2025-05-30 12:25

Title

GetSimple CMS RCE in Edit component

Summary

GetSimple CMS is a content management system. In versions starting from 3.3.16 to 3.3.21, an authenticated user with access to the Edit component can inject arbitrary PHP into a component file and execute it via a crafted query string, resulting in Remote Code Execution (RCE). This issue is set to be patched in version 3.3.22.

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-30 12:24 UTC

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-C…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GetSimpleCMS-CE	GetSimpleCMS-CE	Affected: >= 3.3.16, <= 3.3.21

Show details on NVD website

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                "id": "CVE-2025-48492",
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            "attackComplexity": "LOW",
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30 vulnerabilities found for GetSimpleCMS-CE by GetSimpleCMS-CE

CVE-2026-71542 (GCVE-0-2026-71542)

CVE-2026-71426 (GCVE-0-2026-71426)

CVE-2026-70650 (GCVE-0-2026-70650)

CVE-2026-56662 (GCVE-0-2026-56662)

CVE-2026-56661 (GCVE-0-2026-56661)

CVE-2026-56660 (GCVE-0-2026-56660)

CVE-2026-53953 (GCVE-0-2026-53953)

CVE-2026-53952 (GCVE-0-2026-53952)

CVE-2026-28495 (GCVE-0-2026-28495)

CVE-2026-26351 (GCVE-0-2026-26351)

CVE-2026-27202 (GCVE-0-2026-27202)

CVE-2026-27161 (GCVE-0-2026-27161)

CVE-2026-27147 (GCVE-0-2026-27147)

CVE-2026-27146 (GCVE-0-2026-27146)

CVE-2025-48492 (GCVE-0-2025-48492)

CVE-2026-71542 (GCVE-0-2026-71542)

CVE-2026-71426 (GCVE-0-2026-71426)

CVE-2026-70650 (GCVE-0-2026-70650)

CVE-2026-56662 (GCVE-0-2026-56662)

CVE-2026-56661 (GCVE-0-2026-56661)

CVE-2026-56660 (GCVE-0-2026-56660)

CVE-2026-53953 (GCVE-0-2026-53953)

CVE-2026-53952 (GCVE-0-2026-53952)

CVE-2026-28495 (GCVE-0-2026-28495)

CVE-2026-26351 (GCVE-0-2026-26351)

CVE-2026-27202 (GCVE-0-2026-27202)

CVE-2026-27161 (GCVE-0-2026-27161)

CVE-2026-27147 (GCVE-0-2026-27147)

CVE-2026-27146 (GCVE-0-2026-27146)

CVE-2025-48492 (GCVE-0-2025-48492)