How severe is CVE-2025-65960?

CVE-2025-65960 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-65960 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65960?

CVE-2025-65960 affects Contao. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65960?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-65960 have an EU (EUVD) identifier?

Yes. CVE-2025-65960 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199633.

When was CVE-2025-65960 published?

CVE-2025-65960 was published on 2025-11-25 and last updated on 2026-06-17.

CVE-2025-65960

CVE-2025-65960 is a medium-severity vulnerability in Contao with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-351.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-199633
Weakness: CWE-351
Affected product: Contao
Published: 2025-11-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-65960?: 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.
How severe is CVE-2025-65960?: CVE-2025-65960 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-65960 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65960?: CVE-2025-65960 affects Contao. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65960?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-65960 have an EU (EUVD) identifier?: Yes. CVE-2025-65960 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199633.
When was CVE-2025-65960 published?: CVE-2025-65960 was published on 2025-11-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*

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