Fact Checker — Claims & Sources Chrome extension security report

This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.

This permission provides full access to read and modify browser cookies. Rated High because it can steal session tokens, modify authentication cookies, and compromise accounts across websites.

This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.

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.

Host permission — access limited to this URL pattern.

This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.