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.
History

Thu, 27 Nov 2025 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Contao
Contao contao
Vendors & Products Contao
Contao contao

Tue, 25 Nov 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 25 Nov 2025 19:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Contao is vulnerable to cross-site scripting in templates
Weaknesses CWE-87
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-11-25T19:06:37.395Z

Updated: 2025-11-25T19:29:04.630Z

Reserved: 2025-11-18T16:14:56.694Z

Link: CVE-2025-65961

cve-icon Vulnrichment

Updated: 2025-11-25T19:28:57.580Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-25T19:15:51.387

Modified: 2025-11-25T22:16:16.690

Link: CVE-2025-65961

cve-icon Redhat

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