Onion Browser Button Firefox extension security report

This permission allows the extension to control the browser's proxy settings. Rated Critical because it can route all traffic through potentially malicious proxies, enabling man-in-the-middle attacks and traffic monitoring.

This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.

Host permission — access limited to this URL pattern.

This permission displays system notifications. Rated Low because it can only show user-visible notifications without accessing system data.