CVE-2025-23209
Potential RCE with a compromised security key in craft/cms
- High 8.1
- Exploited: added to CISA KEV 20 Feb 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.
Key facts
- Published
- 18 Jan 2025
- Last changed
- 26 Feb 2026
- Assigned by
- GitHub_M
- KEV added
- 20 Feb 2025
- KEV fix due
- 13 Mar 2025
- EPSS
- 21.642% likely to be exploited in the next 30 days, higher than 97.669% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.1CVSS 3.1, Highfrom the CNA (GitHub_M)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| craftcms | cms |
|
Timeline
- 18 Jan 2025 Published
- 20 Feb 2025 CVE-2025-23209 added to CISA KEV
- 20 Feb 2025 Added to the CISA KEV catalogue