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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-23209- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2025-0208
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.
- Record
EUVD-2025-0208- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x684-96hh-833x
Craft CMS has a potential RCE with a compromised security key
Impact
This is an RCE vulnerability that affects Craft 4 and 5 installs where your security key has already been compromised.
https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret
Anyone running an unpatched version of Craft with a compromised security key is affected.
Patches
This has been patched in Craft 5.5.8 and 4.13.8.
Workarounds
If you can't update to a patched version, then rotating your security key and ensuring its privacy will help to migitgate the issue.
References
https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603
- Record
GHSA-x684-96hh-833x- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:H - Weakness
- CWE-94
- Updated
- 2026-11-02
CISA KEV No score
Craft CMS Code Injection Vulnerability
Craft CMS contains a code injection vulnerability caused by improper validation of the database backup path, ultimately enabling remote code execution.
- Record
CVE-2025-23209- Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-23209- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2025-23209- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVGHSA-x684-96hh-833x
Craft CMS has a potential RCE with a compromised security key
Impact
This is an RCE vulnerability that affects Craft 4 and 5 installs where your security key has already been compromised.
https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret
Anyone running an unpatched version of Craft with a compromised security key is affected.
Patches
This has been patched in Craft 5.5.8 and 4.13.8.
Workarounds
If you can't update to a patched version, then rotating your security key and ensuring its privacy will help to migitgate the issue.
References
https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603
- Record
GHSA-x684-96hh-833x- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
craftcms/cmsPackagist |
5.0.0-RC1 up to 5.5.5 | 5.5.5 |
craftcms/cmsPackagist |
4.0.0-RC1 up to 4.13.8 | 4.13.8 |
craftcms/cmsPackagist |
5.0.0-RC1 up to 5.5.8, plus listed versions 5.0.05.0.15.0.25.0.35.0.4 Show 45 moreShow less5.0.55.0.65.1.05.1.15.1.105.1.25.1.35.1.45.1.55.1.65.1.75.1.85.1.95.2.05.2.0-beta.15.2.0-beta.25.2.0-beta.35.2.0-beta.45.2.0-beta.55.2.0-beta.65.2.15.2.105.2.25.2.35.2.45.2.4.15.2.55.2.65.2.75.2.85.2.95.3.05.3.0-beta.15.3.0-beta.25.3.0.15.3.0.25.3.0.35.3.15.3.25.3.35.3.45.3.55.3.65.4.05.4.0.1 |
5.5.8 |
craftcms/cmsPackagist |
4.0.0-RC1 up to 4.13.8, plus listed versions 4.0.04.0.0-RC24.0.0-RC34.0.0.14.0.1 Show 45 moreShow less4.0.24.0.34.0.44.0.54.0.5.14.0.5.24.0.64.1.04.1.0.14.1.0.24.1.14.1.24.1.34.1.44.1.4.14.10.04.10.0-beta.14.10.0-beta.24.10.14.10.24.10.34.10.44.10.54.10.64.10.74.10.84.11.04.11.0.14.11.0.24.11.14.11.24.11.34.11.44.11.54.12.04.12.14.12.24.12.34.12.44.12.4.14.12.54.12.64.12.6.14.12.74.12.8 |
4.13.8 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-23209 is a high vulnerability (CVSS 8.1) in Craft Cms Cms, published January 18, 2025. CISA lists it as known to be exploited, since February 20, 2025. EUVD reports exploitation since February 20, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 21.6%, the 97th percentile. Fixed in craftcms/cms 5.5.5.
References
github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x
craftcms.com/knowledge-base/securing-craft
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-23209
nvd.nist.gov/vuln/detail/CVE-2025-23209
Left out here: 143 versions. The JSON record has them.