Is CVE-2025-65960 in the CISA KEV catalog?

No. CVE-2025-65960 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-65960?

CVE-2025-65960 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2025-65960?

CVE-2025-65960 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-65960?

Upgrade contao to 5.6.5 or later.

CVE & CISA-KEV Catalog

CVE-2025-65960

MEDIUM

6.6

CVSS v3

NVD

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.

CWE-351

How to fix

Remediation Available

contaoNVD

Affected:>= 5.4.0, < 5.6.5Fixed in:5.6.5CVE-2025-65960derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory2

Embed a live status badge for CVE-2025-65960

Markdown

[![CVE-2025-65960](https://tridentstack.com/cve/badge/CVE-2025-65960.svg)](https://tridentstack.com/cve/CVE-2025-65960)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-65960"><img src="https://tridentstack.com/cve/badge/CVE-2025-65960.svg" alt="CVE-2025-65960"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-03.