{"id":"CVE-2025-68455","published":"2026-01-05T21:59:00Z","modified":"2026-01-06T19:04:15Z","title":"Craft CMS vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior","vendor":"Craft CMS","product":"cms","tier":"tail","description":{"text":"Craft is a platform for creating digital experiences. Versions 5.0.0-RC1 through 5.8.20 and 4.0.0-RC1 through 4.16.16 are vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior. Note that attackers must have administrator access to the Craft Control Panel for this to work. Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue.","provenance":"source","from":"CVE.org"},"cvss":{"score":8.6,"severity":"HIGH","version":"4.0","vector":"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","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00966,"percentile":0.61603,"provenance":"source"},"cwes":[{"id":"CWE-470","name":"Use of Externally-Controlled Input to Select Classes or Code"}],"references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-255j-qw47-wjh5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/craftcms/cms/commit/27f55886098b56c00ddc53b69239c9c9192252c7","tags":["x_refsource_MISC"]},{"url":"https://github.com/craftcms/cms/commit/6e608a1a5bfb36943f94f584b7548ca542a86fef","tags":["x_refsource_MISC"]},{"url":"https://github.com/craftcms/cms/commit/ec43c497edde0b2bf2e39a119cded2e55f9fe593","tags":["x_refsource_MISC"]},{"url":"https://github.com/craftcms/cms/blob/5.x/CHANGELOG.md#5821---2025-12-04","tags":["x_refsource_MISC"]}],"priority":{"score":18.3,"factors":[{"name":"EPSS percentile","points":12.32},{"name":"CVSS severity","points":6.02}]},"vendorSlug":"craft-cms","affectedVersions":[{"vendor":"craftcms","product":"cms","versions":[">= 5.0.0-RC1, < 5.8.21",">= 4.0.0-RC1, < 4.16.17"]}],"affected":[{"ecosystem":"Packagist","package":"craftcms/cms","vulnerableRanges":[">=5.0.0-RC1, <5.8.21",">=4.0.0-RC1, <4.16.17"],"patched":["5.8.21","4.16.17"],"from":["GHSA-255j-qw47-wjh5"],"provenance":"source"}],"euvd":{"id":"EUVD-2026-0824","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-craft-cms-cms-cve-2025-68455","children":[{"from":"CVE-2025-68455","to":"CVE-2026-25498","relation":"variant","confidence":"high","kind":"lineage","evidence":[{"kind":"text","provenance":"source","relation":"variant","quote":"This vulnerability represents an unpatched variant of the behavior injection vulnerability addressed in CVE-2025-68455, affecting different endpoints through a separate code path.","from":"CVE.org","in":"CVE-2026-25498"}]},{"from":"CVE-2025-68455","to":"CVE-2026-33157","relation":"related","confidence":"high","kind":"lineage","evidence":[{"kind":"osv-related","provenance":"source","id":"GHSA-2fph-6v5w-89hh","via":"reference","url":"https://github.com/advisories/GHSA-255j-qw47-wjh5"}]},{"from":"CVE-2025-68455","to":"CVE-2026-44011","relation":"related","confidence":"high","kind":"lineage","evidence":[{"kind":"osv-related","provenance":"source","id":"GHSA-qrgm-p9w5-rrfw","via":"reference","url":"https://github.com/craftcms/cms/security/advisories/GHSA-255j-qw47-wjh5"}]}]}}