RCE in Craftcms Cms
CVE-2025-23209
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.218 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.218 · newest: 0.218 · change: 0.000
Affected products
- Craftcms Cms — versions >= 5.0.0-RC1, < 5.5.5, >= 4.0.0-RC1, < 4.13.8
- Craftcms Craft Cms — versions 4.0.0, 5.0.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x (Vendor Advisory)
- github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603 (Patch)
- craftcms.com/knowledge-base/securing-craft (Product)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2025-23209?
- CVE-2025-23209 is a high-severity vulnerability in Craftcms Cms, classified under Code Injection. CVSS score: 8.0/10. Published 2025-01-18.
- How severe is CVE-2025-23209?
- High severity. CVSS v3 base score is 8.0 out of 10.
- Is CVE-2025-23209 known to be exploited?
- Yes. CVE-2025-23209 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-02-20), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.