SecuriTricks - CVE-2025-65960

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.

Product(s) Impacted

Vendor	Product	Versions
Contao	Contao	4.0.0-4.13.56, 5.3.0-5.3.41, 5.6.0-5.6.4

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-351

Insufficient Type Distinction

The product does not properly distinguish between different types of elements in a way that leads to insecure behavior.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	contao	contao	4.0.0-4.13.56	/	/	/	/	/	/	/
a	contao	contao	5.3.0-5.3.41	/	/	/	/	/	/	/
a	contao	contao	5.6.0-5.6.4	/	/	/	/	/	/	/

References

https://contao.org/en/security-advisories/remote-code-execution-in-template-closures

https://github.com/contao/contao/security/advisories/GHSA-98vj-mm79-v77r

CVSS Score

6.6 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: HIGH
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

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

View Vector String

Timeline

Published: Nov. 25, 2025, 7:15 p.m.
Last Modified: Nov. 25, 2025, 10:16 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security-advisories@github.com

CVE-2025-65960