WID-SEC-W-2026-3636

Vulnerability from csaf_certbund - Published: 2026-09-29 22:00 - Updated: 2026-09-29 22:00
Summary
Joomla: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Joomla ist ein freies Content-Management-System, basierend auf der Scriptsprache PHP und einer SQL-Datenbank. Über zahlreiche Extensions kann der Funktionsumfang der Core-Installation individuell erweitert werden.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Joomla ausnutzen um Cross-Site-Scripting-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen, sensible Daten offenzulegen oder zu manipulieren und seine Berechtigungen zu erweitern.
Betroffene Betriebssysteme: - Linux - MacOS X - UNIX - Windows
CVE-2026-90906
Affected products
Product Identifier Version Remediation
Open Source Joomla Core <6.1.4
Open Source / Joomla
 Core <6.1.4
Open Source Joomla Core <5.4.9
Open Source / Joomla
 Core <5.4.9
CVE-2026-90907
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-90913
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-90914
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-90915
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-90916
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-90917
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-90918
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92222
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92223
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92224
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92225
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92226
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92227
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92231
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
CVE-2026-92232
Affected products
Known affected 2 products, the same list as for CVE-2026-90906
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Joomla ist ein freies Content-Management-System, basierend auf der Scriptsprache PHP und einer SQL-Datenbank. \u00dcber zahlreiche Extensions kann der Funktionsumfang der Core-Installation individuell erweitert werden.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Joomla ausnutzen um Cross-Site-Scripting-Angriffe durchzuf\u00fchren, Sicherheitsma\u00dfnahmen zu umgehen, sensible Daten offenzulegen oder zu manipulieren und seine Berechtigungen zu erweitern.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- MacOS X\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-3636 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3636.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3636 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3636"
      },
      {
        "category": "external",
        "summary": "Joomla Security Centre vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260901 - Core - XSS in HTMLHelper::link method vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1081-20260901-core-xss-in-htmlhelper-link-method.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260902 - Core - Unauthorized user account creation via profile.save controller vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1082-20260902-core-unauthorized-user-account-creation-via-profile-save-controller.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260903 - Core - Improper ACL checks for access level webservice endpoints vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1083-20260903-core-improper-acl-checks-for-user-level-webservice-endpoints.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260904 - Core - XSS in the generic media output layouts vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1084-20260904-core-xss-in-the-generic-media-output-layouts.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260905 - Core - Arbitrary directory deletion via cache purge action vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1085-20260905-core-arbitrary-directory-deletion-via-cache-purge-action.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260906 - Core - Improper ACL checks in content history comparison view vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1086-20260906-core-improper-acl-checks-in-content-history-comparsion-view.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260907 - Core - Improper ACL checks in outputs for tagged items vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1087-20260907-core-improper-acl-checks-in-outputs-for-tagged-items.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260908 - Core - XSS in HTML Mail Templates vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1088-20260908-core-xss-in-html-mail-templates.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260909 - Core - SSRF vectors in various core extensions vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1089-20260909-core-ssrf-vectors-in-various-core-extensions.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260910 - Core - Improper ACL checks for workflow stage changes vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1090-20260910-core-improper-acl-checks-for-workflow-stage-changes.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260911 - Core - XSS in link toolbar layout vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1091-20260911-core-xss-in-link-toolbar-layout.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260912 - Core - XSS in module list vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1092-20260912-core-xss-in-module-list.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260913 - Core - Improper ACL checks for various webservice edit tasks vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1093-20260913-core-improper-acl-checks-for-varous-webservice-edit-tasks.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260914 - Core - MFA Authentication Bypass through rememberme cookies vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1094-20260914-core-mfa-authentication-bypass-through-rememberme-cookies.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260915 - Core - XSS filter bypass in InputFilter via HTML5 entity decode mismatch vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1095-20260915-core-xss-filter-bypass-in-inputfilter-via-html5-entity-decode-mismatch.html"
      },
      {
        "category": "external",
        "summary": "Joomla Security Advisory 20260916 - Core - XSS filter bypass in InputFilter via whitespace characters in HTML data URIs vom 2026-09-29",
        "url": "https://developer.joomla.org/security-centre/1096-20260916-core-xss-filter-bypass-in-inputfilter-via-whitespace-characters-in-html-data-uris.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Joomla: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-09-29T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-30T10:26:58.917+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3636",
      "initial_release_date": "2026-09-29T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-09-29T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "Core \u003c5.4.9",
                "product": {
                  "name": "Open Source Joomla Core \u003c5.4.9",
                  "product_id": "T060404"
                }
              },
              {
                "category": "product_version",
                "name": "Core 5.4.9",
                "product": {
                  "name": "Open Source Joomla Core 5.4.9",
                  "product_id": "T060404-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:joomla:joomla%21:core__5.4.9"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "Core \u003c6.1.4",
                "product": {
                  "name": "Open Source Joomla Core \u003c6.1.4",
                  "product_id": "T060405"
                }
              },
              {
                "category": "product_version",
                "name": "Core 6.1.4",
                "product": {
                  "name": "Open Source Joomla Core 6.1.4",
                  "product_id": "T060405-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:joomla:joomla%21:core__6.1.4"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Joomla"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-90906",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90906"
    },
    {
      "cve": "CVE-2026-90907",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90907"
    },
    {
      "cve": "CVE-2026-90913",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90913"
    },
    {
      "cve": "CVE-2026-90914",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90914"
    },
    {
      "cve": "CVE-2026-90915",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90915"
    },
    {
      "cve": "CVE-2026-90916",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90916"
    },
    {
      "cve": "CVE-2026-90917",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90917"
    },
    {
      "cve": "CVE-2026-90918",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-90918"
    },
    {
      "cve": "CVE-2026-92222",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92222"
    },
    {
      "cve": "CVE-2026-92223",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92223"
    },
    {
      "cve": "CVE-2026-92224",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92224"
    },
    {
      "cve": "CVE-2026-92225",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92225"
    },
    {
      "cve": "CVE-2026-92226",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92226"
    },
    {
      "cve": "CVE-2026-92227",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92227"
    },
    {
      "cve": "CVE-2026-92231",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92231"
    },
    {
      "cve": "CVE-2026-92232",
      "product_status": {
        "known_affected": [
          "T060405",
          "T060404"
        ]
      },
      "release_date": "2026-09-29T22:00:00.000+00:00",
      "title": "CVE-2026-92232"
    }
  ]
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.