CVE-2025-23209
HIGH KEVCraft CMS 4.0.0-4.13.7 and 5.0.0-RC1-5.5.7 - Remote Code Execution via Compromised Security Key
Title source: llmExploitation Summary
CVE-2025-23209 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added February 20, 2025.
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.
References (4)
Core 4
Core References
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-23209
Vendor Advisory x_refsource_confirm
https://github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x
Patch x_refsource_misc
https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603
Product x_refsource_misc
https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret
Scores
CVSS v3
8.0
EPSS
0.1639
EPSS Percentile
95.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2025-02-20
VulnCheck KEV
2025-01-17
ENISA EUVD
EUVD-2025-0208
CWE
CWE-94
Status
published
Products (4)
craftcms/cms
5.0.0-RC1 - 5.5.8Packagist
craftcms/craft_cms
4.0.0 (4 CPE variants)
craftcms/craft_cms
5.0.0 (2 CPE variants)
craftcms/craft_cms
4.0.0 - 4.13.8
Published
Jan 18, 2025
KEV Added
Feb 20, 2025
Tracked Since
Feb 18, 2026