A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function
currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to inefficient regular expression complexity.
This vulnerability is traded as CVE-2025-4215. It is possible to launch the attack remotely. Furthermore, there is an exploit available.
It is recommended to upgrade the affected component.
