CVE-2025-23209
Craft CMS Code Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 13 March 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 21.78% probability · 97th percentile
- CISA KEV
- Listed 20 February 2025 · due 13 March 2025
- Weakness
- CWE-94
- Affected
- craftcms/craft cms
- Source
- security-advisories@github.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x ; https://nvd.nist.gov/vuln/detail/CVE-2025-23209
References
- https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secretProduct
- https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603Patch
- https://github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833xVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-23209US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.