CVE-2025-65960 | Contao CMS up to 4.13.56/5.3.41/5.6.4 Template::once Required type distinction

A vulnerability was found in Contao CMS up to 4.13.56/5.3.41/5.6.4. It has been rated as problematic. This impacts the function Template::once. This manipulation of the argument Required causes insufficient type distinction.

The identification of this vulnerability is CVE-2025-65960. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is advised.