{"id":"CVE-2025-23209","summary":"Potential RCE with a compromised security key in craft/cms","details":"Craft is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond. This is an remote code execution (RCE) vulnerability that affects Craft 4 and 5 installs where your security key has already been compromised. Anyone running an unpatched version of Craft with a compromised security key is affected. This vulnerability has been patched in Craft 5.5.8 and 4.13.8. Users who cannot update to a patched version, should rotate their security keys and ensure their privacy to help migitgate the issue.","aliases":["GHSA-x684-96hh-833x"],"modified":"2026-08-12T03:51:45.988463392Z","published":"2025-01-18T00:32:54.954Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/23xxx/CVE-2025-23209.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-94"]},"references":[{"type":"WEB","url":"https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-23209"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/23xxx/CVE-2025-23209.json"},{"type":"ADVISORY","url":"https://github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-23209"},{"type":"FIX","url":"https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/craftcms/cms","events":[{"introduced":"04755d93f86d07cc183db47db8a0eee106892e30"},{"fixed":"02c00d5b58683b85c8b4e04bdc66fae1d987a293"},{"introduced":"daac7c1da2f701f2e9ddee1da1457ce61660b581"},{"fixed":"5a47f8acc15201e95063b34b0c3cc4d81b202493"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"5.0.0-RC1"},{"fixed":"5.5.5"},{"introduced":"4.0.0-RC1"},{"fixed":"4.13.8"}]}},{"type":"GIT","repo":"https://github.com/nystudio107/craft-seomatic","events":[{"introduced":"a31f7d211b52d55d274c66a291310ceec64c733f"},{"last_affected":"a31f7d211b52d55d274c66a291310ceec64c733f"}],"database_specific":{"cpe":"cpe:2.3:a:craftcms:craft_cms:4.0.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0.0-NA"},{"last_affected":"4.0.0-NA"}],"source":"CPE_STRING"}}],"versions":["4.0.0-NA","4.0.0-rc1","4.0.0-rc2","4.0.0-rc3","5.0.0-NA","5.0.0-rc1","4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-23209.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H"}]}