CVE-2025-68455
January 05, 2026
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.
Affected Packages
https://github.com/craftcms/cms.git (GITHUB):
Affected version(s) >=5.8.0 <5.8.21Fix Suggestion:
Update to version 5.8.21https://github.com/craftcms/cms.git (GITHUB):
Affected version(s) >=4.0.0 <4.16.17Fix Suggestion:
Update to version 4.16.17craftcms/cms (PHP):
Affected version(s) >=4.0.0-RC1 <4.16.17Fix Suggestion:
Update to version 4.16.17craftcms/cms (PHP):
Affected version(s) >=5.0.0-RC1 <5.8.21Fix Suggestion:
Update to version 5.8.21Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
EPSS
Base Score:
1.18
