{"id":"CVE-2026-63000","state":"PUBLISHED","title":"REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates","description":"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.","publishedAt":"2026-09-23T14:08:42.402Z","updatedAt":"2026-09-29T01:56:35.810Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["redaxo core"],"affected":[{"vendor":"redaxo","product":"core","versions":[{"version":"< 5.21.2","status":"affected"}]}],"references":["https://github.com/redaxo/core/security/advisories/GHSA-m8r3-22v6-g877","https://github.com/redaxo/core/pull/6579","https://github.com/redaxo/core/commit/a13abbffbad4fdea46a4edc86cdba3335ca9e8f3","https://github.com/redaxo/core/releases/tag/5.21.2"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/63xxx/CVE-2026-63000.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63000","state":"PUBLISHED","datePublished":"2026-09-23T14:08:42.402Z","dateUpdated":"2026-09-29T01:56:35.810Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-14T23:10:57.032Z"},"containers":{"cna":{"title":"REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"redaxo","product":"core","versions":[{"version":"< 5.21.2","status":"affected"}]}],"references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-m8r3-22v6-g877","name":"https://github.com/redaxo/core/security/advisories/GHSA-m8r3-22v6-g877","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/redaxo/core/pull/6579","name":"https://github.com/redaxo/core/pull/6579","tags":["x_refsource_MISC"]},{"url":"https://github.com/redaxo/core/commit/a13abbffbad4fdea46a4edc86cdba3335ca9e8f3","name":"https://github.com/redaxo/core/commit/a13abbffbad4fdea46a4edc86cdba3335ca9e8f3","tags":["x_refsource_MISC"]},{"url":"https://github.com/redaxo/core/releases/tag/5.21.2","name":"https://github.com/redaxo/core/releases/tag/5.21.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"CWE-352: Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-23T14:08:42.402Z"},"source":{"advisory":"GHSA-m8r3-22v6-g877","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-m8r3-22v6-g877","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-29T01:56:03.005133Z","id":"CVE-2026-63000","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-29T01:56:35.810Z"}}]}}}