Unsafe reflection in Craft CMS - CVE-2025-68455
Published: January 5, 2026
Vulnerability identifier: #VU120915
CSH Severity: Low
CVSS v4: 8.6 [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]
CVE-ID: CVE-2025-68455
CWE-ID: CWE-470
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to unsafe reflection when the tainted "Behavior" is attached to a Yii Component and an event is also fired on the tainted Component. A remote administrator can execute arbitrary code on the system.
Affected software
Craft CMS
How to mitigate CVE-2025-68455
Install updates from vendor's website.
Craft CMS - addressed in versions 4.16.17, 5.8.21