CVE-2025-23209
HIGH8.0⚠ KEVEPSS 16.4%Craft CMS has a potential RCE with a compromised security key
Published: 1/21/2025Modified: 10/22/2025Added to CISA KEV: 2/20/2025
Description
### Impact This is an RCE vulnerability that affects Craft 4 and 5 installs where your security key has already been compromised. https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret Anyone running an unpatched version of Craft with a compromised security key is affected. ### Patches This has been patched in Craft 5.5.8 and 4.13.8. ### Workarounds If you can't update to a patched version, then rotating your security key and ensuring its privacy will help to migitgate the issue. ### References https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603
Affected packages (1)
- Packagist/craftcms/cms>= 5.0.0-RC1, < 5.5.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:H |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-23209
- PATCHhttps://github.com/craftcms/cms
- WEBhttps://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret
- WEBhttps://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603
- WEBhttps://github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x
- WEBhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-23209