How severe is CVE-2025-65961?

CVE-2025-65961 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-65961 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65961?

CVE-2025-65961 affects Contao. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65961?

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

Does CVE-2025-65961 have an EU (EUVD) identifier?

Yes. CVE-2025-65961 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199631.

When was CVE-2025-65961 published?

CVE-2025-65961 was published on 2025-11-25 and last updated on 2026-06-17.

CVE-2025-65961

CVE-2025-65961 is a low-severity vulnerability in Contao with a CVSS 3.x base score of 3.3. 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-79.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-199631
Weakness: CWE-79
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, 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.

Frequently asked questions

What is 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.
How severe is CVE-2025-65961?: CVE-2025-65961 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-65961 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65961?: CVE-2025-65961 affects Contao. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65961?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-65961 have an EU (EUVD) identifier?: Yes. CVE-2025-65961 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199631.
When was CVE-2025-65961 published?: CVE-2025-65961 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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