CVE-2025-65961
November 25, 2025
Contao is an Open Source CMS. From version 4.0.0 to before 4.13.57, before 5.3.42, and before 5.6.5, it is possible to inject code into the template output that will be executed in the browser in the front end and back end. This issue has been patched in versions 4.13.57, 5.3.42, and 5.6.5. A workaround for this issue involves not using the affected templates or patch them manually.
Affected Packages
contao/core-bundle (PHP):
Affected version(s) >=4.0.0 <4.13.57Fix Suggestion:
Update to version 4.13.57contao/core-bundle (PHP):
Affected version(s) >=5.4.0 <5.6.5Fix Suggestion:
Update to version 5.6.5contao/core-bundle (PHP):
Affected version(s) >=5.0.0 <5.3.42Fix Suggestion:
Update to version 5.3.42Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
EPSS
Base Score:
0.03
