CVE-2025-65961 Details
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.
A cross-site scripting vulnerability has been identified in Contao versions 4.0.0 prior to 4.13.57, 5.3.42 prior to 5.6.5. This issue allows code injection into template outputs, which is then executed in the browser on both the front end and back end. The vulnerability arises from certain templates that do not properly sanitize output, enabling the execution of injected code.
Users can upgrade to Contao versions 4.13.57, 5.3.42, or 5.6.5 to address this vulnerability. Alternatively, affected templates can be manually patched or not used at all.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Nov 25, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://contao.org/en/security-advisories/cross-site-scripting-in-templates | [email protected] | Vendor Advisory |
| https://github.com/contao/contao/security/advisories/GHSA-68q5-78xp-cwwc | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
| CWE-87 | Improper Neutralization of Alternate XSS Syntax | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| contao contao | >= 4.0.0, < 4.13.57 >= 5.0.0, < 5.3.42 >= 5.4.0, < 5.6.5 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Dec 3, 2025 | Initial Analysis | [email protected] |
| Nov 25, 2025 | New CVE Received | [email protected] |