CVE-2025-68455
Craft CMS vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior
- State
- Published
- Severity
- 8.6 High
- Published
- Jan 5, 2026
- Updated
- Jan 6, 2026
- Reserved
- Dec 17, 2025
Description
Craft is a platform for creating digital experiences. Versions 5.0.0-RC1 through 5.8.20 and 4.0.0-RC1 through 4.16.16 are vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior. Note that attackers must have administrator access to the Craft Control Panel for this to work. Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | GitHub_M |
Weaknesses
- CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Affected Products
| Product | Versions |
|---|---|
cmscraftcms |
|
References
- https://github.com/craftcms/cms/security/advisories/GHSA-255j-qw47-wjh5
- https://github.com/craftcms/cms/commit/27f55886098b56c00ddc53b69239c9c9192252c7
- https://github.com/craftcms/cms/commit/6e608a1a5bfb36943f94f584b7548ca542a86fef
- https://github.com/craftcms/cms/commit/ec43c497edde0b2bf2e39a119cded2e55f9fe593
- https://github.com/craftcms/cms/blob/5.x/CHANGELOG.md#5821---2025-12-04
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