CVE-2025-65961

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.

CVSS v3 3.3 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 0.7 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://contao.org/en/security-advisories/cross-site-scripting-in-templates	Vendor Advisory
https://github.com/contao/contao/security/advisories/GHSA-68q5-78xp-cwwc	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:contao:contao::::::::
	cpe:2.3:a:contao:contao::::::::
	cpe:2.3:a:contao:contao::::::::

History

18 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Contao es un CMS de código abierto. Desde la versión 4.0.0 hasta la 4.13.57, hasta la 5.3.42, y hasta la 5.6.5, es posible inyectar código en la salida de la plantilla que se ejecutará en el navegador en el front end y back end. Este problema ha sido parcheado en las versiones 4.13.57, 5.3.42, y 5.6.5. Una solución alternativa para este problema implica no usar las plantillas afectadas o parchearlas manualmente.

Information

Published : 2025-11-25 19:15

Updated : 2026-10-18 20:10

NVD link : CVE-2025-65961

Mitre link : CVE-2025-65961

CVE.ORG link : CVE-2025-65961

JSON object : View

Products Affected

contao

contao

CWE

CWE-87

Improper Neutralization of Alternate XSS Syntax

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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