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CVE-2025-65960

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CVE-2025-65960

Published: Nov 25, 2025

Modified: Nov 25, 2025

PUBLISHED

CVSS v3.1

6.6

MEDIUM

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, back end users with precise control over the contents of template closures can execute arbitrary PHP functions that do not have required parameters. This issue has been patched in versions 4.13.57, 5.3.42, and 5.6.5. A workaround for this issue involves manually patching the Contao\Template::once() method.

VendorProductVersions

contao

contao

affected
>= 4.0.0, < 4.13.57
affected
>= 5.0.0-RC1, < 5.3.42
affected
>= 5.4.0-RC1, < 5.6.5

Weaknesses (CWE)

CWE-351

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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