{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.21.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a13abbffbad4fdea46a4edc86cdba3335ca9e8f3"
            },
            {
              "fixed": "31d61c6a460b6c8daf09baa75d6477fa3a93a68b"
            }
          ],
          "repo": "https://github.com/redaxo/core",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-m8r3-22v6-g877"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-352"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63000.json"
  },
  "details": "REDAXO is a PHP-based content management system. Prior to 5.21.2, rex_api_install_package_update in redaxo/src/addons/install/lib/api/api_package_update.php inherits the false default from rex_api_function::requiresCsrfProtection() instead of requiring a CSRF token. An unauthenticated attacker can cause a logged-in administrator's browser to request a selected package update from the configured REDAXO package server, changing installed addon code or disrupting the site without the administrator's intent. This issue is fixed in version 5.21.2.",
  "id": "CVE-2026-63000",
  "modified": "2026-09-30T03:30:25.342873349Z",
  "published": "2026-09-23T14:08:42.402Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/redaxo/core/releases/tag/5.21.2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63000.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redaxo/core/security/advisories/GHSA-m8r3-22v6-g877"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63000"
    },
    {
      "type": "FIX",
      "url": "https://github.com/redaxo/core/commit/a13abbffbad4fdea46a4edc86cdba3335ca9e8f3"
    },
    {
      "type": "FIX",
      "url": "https://github.com/redaxo/core/pull/6579"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates"
}