Get a Demo

Let's Patch It!

Book a short call with one our specialists, we'll walk you through how Endor Patches work, and ask you a few questions about your environment (like your primary programming languages and repository management). We'll also send you an email right after you fill out the form, feel free to reply with any questions you have in advance!

CVE

CVE-2025-23209

Potential RCE with a compromised security key in craft/cms
Back to all
CVE

CVE-2025-23209

Potential RCE with a compromised security key in craft/cms

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.

Package Versions Affected

Package Version
patch Availability
No items found.

Automatically patch vulnerabilities without upgrading

Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request

CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8
-
3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret, https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/23xxx/CVE-2025-23209.json, https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603, https://github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x, https://nvd.nist.gov/vuln/detail/CVE-2025-23209, https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-23209

Severity

8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8
EPSS Probability
0.04657%
EPSS Percentile
0.88974%
Introduced Version
04755d93f86d07cc183db47db8a0eee106892e30,daac7c1da2f701f2e9ddee1da1457ce61660b581
Fix Available
02c00d5b58683b85c8b4e04bdc66fae1d987a293,5a47f8acc15201e95063b34b0c3cc4d81b202493

Fix Critical Vulnerabilities Instantly

Secure your app without upgrading.
Fix Without Upgrading