CVE-2025-65961

mediumpriority · track · 19EPSS 0.002 · 7 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (7th) EPSS

CVSS 4.8 · medium

Is it mine?

15 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–4.8

v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7

v3.13.3lowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.13.3lowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondary · security-advisories@github.comexploitability 0.7 · impact 2.5

v3.13.3lowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondary · OSV

v3.14.4mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79USCWE-87USCWE-87US

affected products (15)

Products and version ranges known to be affected.

Open Source Contao <4.13.57all versionscert_bundDE
Open Source Contao <5.3.42all versionscert_bundDE
Open Source Contao <5.6.5all versionscert_bundDE
Open Source Contao< 4.13.57cert_bundDE
Open Source Contao< 5.3.42cert_bundDE
Open Source Contao< 5.6.5cert_bundDE
contao contao4.0.0, → 4.13.57enisa_euvdEU
contao contao5.0.0-RC1, → 5.3.42enisa_euvdEU
contao contao5.4.0-RC1, → 5.6.5enisa_euvdEU
contao contao4.0.0 → 4.13.57nvdUScpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
contao contao5.0.0 → 5.3.42nvdUScpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
contao contao5.4.0 → 5.6.5nvdUScpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
Packagist contao/core-bundle4.0.0 → 4.13.57osvUSpkg:composer/contao/core-bundle
Packagist contao/core-bundle5.0.0-RC1 → 5.3.42osvUSpkg:composer/contao/core-bundle
Packagist contao/core-bundle5.4.0-RC1 → 5.6.5osvUSpkg:composer/contao/core-bundle

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2679Contao: Mehrere SchwachstellenDeutsch2025-11-25csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Contao ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen oder beliebigen Code auszuführen.
GHSA-68q5-78xp-cwwcContao is vulnerable to cross-site scripting in templates2025-11-25ghsa · osvUS
### Impact It is possible to inject code into the template output that will be executed in the browser in the front end and back end. ### Patches Update to Contao 4.13.57, 5.3.42 or 5.6.5. ### Workarounds Do not use the affected templates or patch them manually. ### Refsources https://contao.org/en/security-advisories/cross-site-scripting-in-templates

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2025-11-25modified 2026-10-18

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+53008 more

references (8)

External citations — patches, advisories, analysis.

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