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CVE-2025-65961

Contao is vulnerable to cross-site scripting in templates

3.3 LowFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.18%Up 0.2 points since Nov 26, 2025
90%50%10%1%

What each source reports

CVE List Score used 3.3

Contao is vulnerable to cross-site scripting in templates

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.

Record
CVE-2025-65961
CVSS 3.1
3.3 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-87
Updated
2026-11-02
EUVDEUVD-2025-199631 3.3

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.

Record
EUVD-2025-199631
CVSS 3.1
3.3 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-68q5-78xp-cwwc 3.3

Contao is vulnerable to cross-site scripting in templates

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

Record
GHSA-68q5-78xp-cwwc
CVSS 3.1
3.3 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-79, CWE-87
Updated
2026-11-02
NVD 3.3

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.

Record
CVE-2025-65961
CVSS 3.1
3.3 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-87, CWE-79
Updated
2026-11-02
OSV 3.3

Contao is vulnerable to cross-site scripting in templates

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.

Record
CVE-2025-65961
CVSS 3.1
3.3 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-87
Updated
2026-11-02
OSVGHSA-68q5-78xp-cwwc 3.3

Contao is vulnerable to cross-site scripting in templates

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

Record
GHSA-68q5-78xp-cwwc
CVSS 3.1
3.3 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-79, CWE-87
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
contao/core-bundle
Packagist
 4.0.0 up to 4.13.57
4.13.57
contao/core-bundle
Packagist
 5.0.0-RC1 up to 5.3.42
5.3.42
contao/core-bundle
Packagist
 5.4.0-RC1 up to 5.6.5
5.6.5
contao/core-bundle
Packagist
 4.0.0 up to 4.13.57, plus listed versions
4.0.14.0.24.0.34.0.44.1.0
Show 45 moreShow less
4.1.0-RC14.1.0-beta14.1.14.1.24.1.34.10.04.10.0-RC14.10.0-RC24.10.0-RC34.10.0-RC44.10.14.10.24.10.34.10.44.10.54.10.64.10.74.11.04.11.0-RC14.11.0-RC24.11.14.11.24.11.34.11.44.11.54.11.64.11.74.11.84.11.94.12.04.12.0-RC14.12.0-RC24.12.0-RC34.12.14.12.24.12.34.12.44.12.54.12.64.12.74.13.04.13.0-RC14.13.0-RC24.13.0-RC34.13.1
4.13.57
contao/core-bundle
Packagist
 5.0.0-RC1 up to 5.3.42, plus listed versions
5.0.05.0.0-RC25.0.0-RC35.0.0-RC45.0.1
Show 45 moreShow less
5.0.105.0.25.0.35.0.45.0.55.0.65.0.75.0.85.0.95.1.05.1.0-RC15.1.0-RC25.1.0-RC35.1.15.1.105.1.115.1.25.1.35.1.45.1.55.1.65.1.75.1.85.1.95.2.05.2.0-RC15.2.0-RC25.2.0-RC35.2.0-RC45.2.0-RC55.2.0-RC65.2.15.2.105.2.25.2.35.2.45.2.55.2.65.2.75.2.85.2.95.3.05.3.0-RC15.3.0-RC25.3.0-RC3
5.3.42
contao/core-bundle
Packagist
 5.4.0-RC1 up to 5.6.5, plus listed versions
5.4.05.4.0-RC25.4.0-RC35.4.0-RC45.4.1
Show 42 moreShow less
5.4.105.4.115.4.125.4.135.4.145.4.25.4.35.4.45.4.55.4.65.4.75.4.85.4.95.5.05.5.0-RC15.5.0-RC25.5.0-RC35.5.0-RC45.5.15.5.105.5.115.5.125.5.135.5.145.5.155.5.165.5.25.5.35.5.45.5.55.5.65.5.75.5.85.5.95.6.05.6.0-RC15.6.0-RC25.6.0-RC35.6.15.6.25.6.35.6.4
5.6.5

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-65961 is a low vulnerability (CVSS 3.3) in Contao, published November 25, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. Fixed in contao/core-bundle 4.13.57.

References

This page doesn't list everything

Left out here: 285 versions. The JSON record has them.

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