Ublockorigin Ublock Origin vulnerabilities

CVE-2025-4215 [LOW] CWE-400 CVE-2025-4215: A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as proble 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. It is possible to launch the attack remotely. The complexity of an attack is rath

CVE-2021-36773 [HIGH] CWE-674 CVE-2021-36773: uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality).

CVE-2019-11595 [CRITICAL] CWE-20 CVE-2019-11595: In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrar In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch, and the script origin has an open redirect.