Themeinator

Broad host access — the extension can read/modify content on every website.

This permission (Firefox) allows the extension to read and modify global browser settings, including proxy-adjacent networking, DNS-over-HTTPS and homepage configuration. Rated High because it can weaken browser security posture globally.

This extension has broad host permissions allowing it to access many or all websites.

This extension can inject scripts into any website.

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.

This permission (Firefox) changes the browser theme. Rated Low because it only affects visual appearance.

This permission accesses search functionality. Rated Low because it only interacts with the browser's search feature without accessing search history.