Common Weakness Enumeration

CWE-918

Allowed

Server-Side Request Forgery (SSRF)

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

6271 vulnerabilities reference this CWE, most recent first.

GHSA-C9XR-H75P-WMH5

Vulnerability from github – Published: 2022-05-18 00:00 – Updated: 2022-05-27 00:01
VLAI
Details

Server-Side Request Forgery (SSRF) in GitHub repository jgraph/drawio prior to 18.0.5.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2022-1711"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-17T13:15:00Z",
    "severity": "HIGH"
  },
  "details": "Server-Side Request Forgery (SSRF) in GitHub repository jgraph/drawio prior to 18.0.5.",
  "id": "GHSA-c9xr-h75p-wmh5",
  "modified": "2022-05-27T00:01:08Z",
  "published": "2022-05-18T00:00:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1711"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jgraph/drawio/commit/cf5c78aa0f3127fb10053db55b39f3017a0654ae"
    },
    {
      "type": "WEB",
      "url": "https://huntr.dev/bounties/c32afff5-6ad5-4d4d-beea-f55ab4925797"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CC49-67HV-4HV5

Vulnerability from github – Published: 2026-08-21 18:34 – Updated: 2026-08-21 18:34
VLAI
Details

Server-side request forgery (ssrf) in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.

Severity
10.0 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2026-69502"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-21T16:18:07Z",
    "severity": "CRITICAL"
  },
  "details": "Server-side request forgery (ssrf) in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.",
  "id": "GHSA-cc49-67hv-4hv5",
  "modified": "2026-08-21T18:34:56Z",
  "published": "2026-08-21T18:34:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-69502"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69502"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CCC6-PH73-R6H6

Vulnerability from github – Published: 2026-07-27 15:32 – Updated: 2026-07-27 15:32
VLAI
Details

Unauthenticated Server Side Request Forgery (SSRF) in AffiliateX <= 2.3.5 versions.

Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2026-65558"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-27T15:17:09Z",
    "severity": "MODERATE"
  },
  "details": "Unauthenticated Server Side Request Forgery (SSRF) in AffiliateX \u003c= 2.3.5 versions.",
  "id": "GHSA-ccc6-ph73-r6h6",
  "modified": "2026-07-27T15:32:33Z",
  "published": "2026-07-27T15:32:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65558"
    },
    {
      "type": "WEB",
      "url": "https://patchstack.com/database/wordpress/plugin/affiliatex/vulnerability/wordpress-affiliatex-plugin-2-3-5-server-side-request-forgery-ssrf-vulnerability?_s_id=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CCCC-WRRH-HW2H

Vulnerability from github – Published: 2026-08-20 00:35 – Updated: 2026-08-20 00:35
VLAI
Details

In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, a user that holds a role with the get_talos_enrichment capability could send a crafted request to the Talos intelligence enrichment Representational State Transfer (REST) API endpoint and cause the instance to make an outbound request to an attacker-controlled server. The request could expose tokens that compromise all relevant data and system integrity in the Splunk instance. The vulnerability is possible because the Talos intelligence enrichment REST endpoint accepts the destination for authenticated Splunk management requests from request data. For more information see Deploy Cisco Talos Intelligence for Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/user-guide/8.0/introduction/deploy-cisco-talos-intelligence-for-splunk-enterprise-security-cloud-only) in the Splunk documentation.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2026-76389"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-19T22:17:25Z",
    "severity": "HIGH"
  },
  "details": "In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, a user that holds a role with the get_talos_enrichment capability could send a crafted request to the Talos intelligence enrichment Representational State Transfer (REST) API endpoint and cause the instance to make an outbound request to an attacker-controlled server. The request could expose tokens that compromise all relevant data and system integrity in the Splunk instance. The vulnerability is possible because the Talos intelligence enrichment REST endpoint accepts the destination for authenticated Splunk management requests from request data. For more information see Deploy Cisco Talos Intelligence for Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/user-guide/8.0/introduction/deploy-cisco-talos-intelligence-for-splunk-enterprise-security-cloud-only) in the Splunk documentation.",
  "id": "GHSA-cccc-wrrh-hw2h",
  "modified": "2026-08-20T00:35:06Z",
  "published": "2026-08-20T00:35:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76389"
    },
    {
      "type": "WEB",
      "url": "https://advisory.splunk.com/advisories/SVD-2026-0808"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CCCX-RCQV-GWFJ

Vulnerability from github – Published: 2022-05-17 02:14 – Updated: 2025-04-20 03:38
VLAI
Details

XML external entity (XXE) vulnerability in the import playlist feature in Subsonic 6.1.1 might allow remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted XSPF playlist file.

Severity
7.4 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2017-9355"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-06-07T19:29:00Z",
    "severity": "HIGH"
  },
  "details": "XML external entity (XXE) vulnerability in the import playlist feature in Subsonic 6.1.1 might allow remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted XSPF playlist file.",
  "id": "GHSA-cccx-rcqv-gwfj",
  "modified": "2025-04-20T03:38:36Z",
  "published": "2022-05-17T02:14:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9355"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/42119"
    },
    {
      "type": "WEB",
      "url": "http://hyp3rlinx.altervista.org/advisories/SUBSONIC-XML-EXTERNAL-ENITITY.txt"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/142795/Subsonic-6.1.1-XML-External-Entity-Attack.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CCF7-RWQ8-4G7W

Vulnerability from github – Published: 2025-12-09 18:30 – Updated: 2026-01-20 15:32
VLAI
Details

Server-Side Request Forgery (SSRF) vulnerability in ThemesInflow Hercules Core hercules-core allows Server Side Request Forgery.This issue affects Hercules Core : from n/a through <= 7.4.

Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2025-63010"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-09T16:18:06Z",
    "severity": "MODERATE"
  },
  "details": "Server-Side Request Forgery (SSRF) vulnerability in ThemesInflow Hercules Core  hercules-core allows Server Side Request Forgery.This issue affects Hercules Core : from n/a through \u003c= 7.4.",
  "id": "GHSA-ccf7-rwq8-4g7w",
  "modified": "2026-01-20T15:32:03Z",
  "published": "2025-12-09T18:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-63010"
    },
    {
      "type": "WEB",
      "url": "https://patchstack.com/database/Wordpress/Plugin/hercules-core/vulnerability/wordpress-hercules-core-plugin-7-4-server-side-request-forgery-ssrf-vulnerability?_s_id=cve"
    },
    {
      "type": "WEB",
      "url": "https://vdp.patchstack.com/database/Wordpress/Plugin/hercules-core/vulnerability/wordpress-hercules-core-plugin-7-4-server-side-request-forgery-ssrf-vulnerability?_s_id=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CCFQ-2454-F5XW

Vulnerability from github – Published: 2026-05-12 22:24 – Updated: 2026-06-09 10:32
VLAI
Summary
SillyTavern has a SSRF vulnerability in the CORS proxy middleware
Details

Resolution

SillyTavern 1.18.0 added a generic server-side request filter (Private Request Whitelisting). Since we expect users to use the application in a trusted environment, the filter is disabled by default, however it is strongly advised to be enabled and properly configured when an instance is being hosted over a network, as suggested by a console warning message and an officially published security checklist for administrators.

Documentation:

  • https://docs.sillytavern.app/administration/config-yaml/#private-address-whitelisting
  • https://docs.sillytavern.app/administration/#security-checklist

Note on future SSRF findings

Since the request filter applies to the entire application, no SSRF vulnerabilities against individual endpoints will be accepted, unless it has been proven that a properly configured and enabled filter can be bypassed in an undocumented way. Only advisories disclosed before the 1.18.0 release will be posted if their concern is SSRF.

Overview

  • Vulnerability Type: SSRF
  • Affected Location: src/middleware/corsProxy.js:31
  • Trigger Scenario: SSRF in optional CORS proxy

Root Cause

corsProxyMiddleware forwards req.params.url directly into fetch(url, ...). It only blocks circular requests to its own host and does not enforce destination allowlist or private/loopback restrictions, enabling SSRF.

Source-to-Sink Chain

  1. Source (user-controlled input)

  2. Entry point: GET /proxy/:url(*)

  3. Data flow

  4. Code analysis shows concrete propagation into this sink:
  5. vulnerability title: SSRF in optional CORS proxy
  6. sink location reached by attacker-controlled input: src/middleware/corsProxy.js:31

  7. The same sink behavior is confirmed by controlled execution observations.

  8. Sink (dangerous operation)

  9. Sink location: src/middleware/corsProxy.js:31
  10. Vulnerable behavior: SSRF in optional CORS proxy

Exploitation Preconditions

  1. The attacker can control or influence a URL/endpoint parameter.
  2. The server can access internal or sensitive network targets.
  3. Outbound request validation or redirect controls are insufficient.

Risk

This issue can be used to pivot network access and reach unintended internal resources.

Impact

An attacker may access internal network services or metadata endpoints and exfiltrate sensitive responses.

Remediation

  1. Enforce strict destination allowlist for proxy targets.
  2. Block loopback, link-local, RFC1918, and metadata address ranges.
  3. Apply the same destination validation to redirects.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.17.0"
      },
      "package": {
        "ecosystem": "npm",
        "name": "sillytavern"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.18.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-44652"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-12T22:24:05Z",
    "nvd_published_at": "2026-05-29T19:16:25Z",
    "severity": "MODERATE"
  },
  "details": "## Resolution\n\nSillyTavern 1.18.0 added a generic server-side request filter (Private Request Whitelisting). Since we expect users to use the application in a trusted environment, the filter is disabled by default, however it is strongly advised to be enabled and properly configured when an instance is being hosted over a network, as suggested by a console warning message and an officially published security checklist for administrators.\n\nDocumentation: \n\n- https://docs.sillytavern.app/administration/config-yaml/#private-address-whitelisting\n- https://docs.sillytavern.app/administration/#security-checklist\n\n## Note on future SSRF findings\n\nSince the request filter applies to the entire application, no SSRF vulnerabilities against individual endpoints will be accepted, unless it has been proven that a properly configured and enabled filter can be bypassed in an undocumented way. Only advisories disclosed before the 1.18.0 release will be posted if their concern is SSRF.\n\n## Overview\n- Vulnerability Type: SSRF\n- Affected Location: `src/middleware/corsProxy.js:31`\n- Trigger Scenario: SSRF in optional CORS proxy\n\n## Root Cause\n`corsProxyMiddleware` forwards `req.params.url` directly into `fetch(url, ...)`. It only blocks circular requests to its own host and does not enforce destination allowlist or private/loopback restrictions, enabling SSRF.\n\n## Source-to-Sink Chain\n1. Source (user-controlled input)\n- Entry point: `GET /proxy/:url(*)`\n\n2. Data flow\n- Code analysis shows concrete propagation into this sink:\n  - vulnerability title: `SSRF in optional CORS proxy`\n  - sink location reached by attacker-controlled input: `src/middleware/corsProxy.js:31`\n- The same sink behavior is confirmed by controlled execution observations.\n\n3. Sink (dangerous operation)\n- Sink location: `src/middleware/corsProxy.js:31`\n- Vulnerable behavior: SSRF in optional CORS proxy\n\n## Exploitation Preconditions\n1. The attacker can control or influence a URL/endpoint parameter.\n2. The server can access internal or sensitive network targets.\n3. Outbound request validation or redirect controls are insufficient.\n\n## Risk\nThis issue can be used to pivot network access and reach unintended internal resources.\n\n## Impact\nAn attacker may access internal network services or metadata endpoints and exfiltrate sensitive responses.\n\n## Remediation\n1. Enforce strict destination allowlist for proxy targets.\n2. Block loopback, link-local, RFC1918, and metadata address ranges.\n3. Apply the same destination validation to redirects.",
  "id": "GHSA-ccfq-2454-f5xw",
  "modified": "2026-06-09T10:32:18Z",
  "published": "2026-05-12T22:24:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-ccfq-2454-f5xw"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44652"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/SillyTavern/SillyTavern"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SillyTavern/SillyTavern/releases/tag/1.18.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "SillyTavern has a SSRF vulnerability in the CORS proxy middleware"
}

GHSA-CCJ4-QHW4-4RRM

Vulnerability from github – Published: 2024-10-10 12:31 – Updated: 2024-10-10 12:31
VLAI
Details

An issue has been discovered in GitLab EE affecting all versions starting from 15.10 prior to 17.2.9, from 17.3 prior to 17.3.5, and from 17.4 prior to 17.4.2. Instances with Product Analytics Dashboard configured and enabled could be vulnerable to SSRF attacks.

Severity
8.2 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2024-8977"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-10T10:15:08Z",
    "severity": "HIGH"
  },
  "details": "An issue has been discovered in GitLab EE affecting all versions starting from 15.10 prior to 17.2.9, from 17.3 prior to 17.3.5, and from 17.4 prior to 17.4.2. Instances with Product Analytics Dashboard configured and enabled could be vulnerable to SSRF attacks.",
  "id": "GHSA-ccj4-qhw4-4rrm",
  "modified": "2024-10-10T12:31:13Z",
  "published": "2024-10-10T12:31:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8977"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/2697456"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/491060"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CF4R-PXWW-5Q94

Vulnerability from github – Published: 2024-12-18 18:30 – Updated: 2024-12-18 21:30
VLAI
Details

In the GetSimple CMS CE 3.3.19 management page, Server-Side Request Forgery (SSRF) can be achieved in the plug-in download address in the backend management system.

Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2024-55086"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-18T17:15:14Z",
    "severity": "HIGH"
  },
  "details": "In the GetSimple CMS CE 3.3.19 management page, Server-Side Request Forgery (SSRF) can be achieved in the plug-in download address in the backend management system.",
  "id": "GHSA-cf4r-pxww-5q94",
  "modified": "2024-12-18T21:30:55Z",
  "published": "2024-12-18T18:30:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-55086"
    },
    {
      "type": "WEB",
      "url": "https://getsimple-ce.ovh"
    },
    {
      "type": "WEB",
      "url": "https://tasteful-stamp-da4.notion.site/CVE-2024-55086-15b1e0f227cb80e4bf4ed76aac53f795"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CFC8-RW2H-JFG7

Vulnerability from github – Published: 2026-04-11 03:30 – Updated: 2026-04-11 03:30
VLAI
Details

The UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP plugin for WordPress is vulnerable to blind Server-Side Request Forgery in all versions up to, and including, 1.2.58. This is due to insufficient URL origin validation in the process_image_crop() method when processing avatar/banner image crop operations. The function accepts a user-controlled URL via the uwp_crop POST parameter and only validates it using esc_url() for sanitization and wp_check_filetype() for extension verification, without enforcing that the URL references a local uploads file. The URL is then passed to uwp_resizeThumbnailImage() which uses it in PHP image processing functions (getimagesize(), imagecreatefrom*()) that support URL wrappers and perform outbound HTTP requests. This makes it possible for authenticated attackers with subscriber-level access and above to coerce the WordPress server into making arbitrary HTTP requests to attacker-controlled or internal network destinations, enabling internal network scanning and potential access to sensitive services.

Severity
5.0 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2026-4979"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-11T02:16:02Z",
    "severity": "MODERATE"
  },
  "details": "The UsersWP \u2013 Front-end login form, User Registration, User Profile \u0026 Members Directory plugin for WP plugin for WordPress is vulnerable to blind Server-Side Request Forgery in all versions up to, and including, 1.2.58. This is due to insufficient URL origin validation in the process_image_crop() method when processing avatar/banner image crop operations. The function accepts a user-controlled URL via the uwp_crop POST parameter and only validates it using esc_url() for sanitization and wp_check_filetype() for extension verification, without enforcing that the URL references a local uploads file. The URL is then passed to uwp_resizeThumbnailImage() which uses it in PHP image processing functions (getimagesize(), imagecreatefrom*()) that support URL wrappers and perform outbound HTTP requests. This makes it possible for authenticated attackers with subscriber-level access and above to coerce the WordPress server into making arbitrary HTTP requests to attacker-controlled or internal network destinations, enabling internal network scanning and potential access to sensitive services.",
  "id": "GHSA-cfc8-rw2h-jfg7",
  "modified": "2026-04-11T03:30:30Z",
  "published": "2026-04-11T03:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4979"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AyeCode/userswp/commit/ca0c81b9c76a26c5ac78a8f3604cf9122a7a4aa1"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/userswp/tags/1.2.55/includes/class-forms.php#L198"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/userswp/tags/1.2.55/includes/helpers/misc.php#L136"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/userswp/trunk/includes/class-forms.php#L198"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/userswp/trunk/includes/helpers/misc.php#L136"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/9cd2b3fd-1bca-4611-9753-ccb57b0e36a4?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

No mitigation information available for this CWE.

CAPEC-664: Server Side Request Forgery

An adversary exploits improper input validation by submitting maliciously crafted input to a target application running on a server, with the goal of forcing the server to make a request either to itself, to web services running in the server’s internal network, or to external third parties. If successful, the adversary’s request will be made with the server’s privilege level, bypassing its authentication controls. This ultimately allows the adversary to access sensitive data, execute commands on the server’s network, and make external requests with the stolen identity of the server. Server Side Request Forgery attacks differ from Cross Site Request Forgery attacks in that they target the server itself, whereas CSRF attacks exploit an insecure user authentication mechanism to perform unauthorized actions on the user's behalf.

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