Undo Close Tab Button Firefox extension security report

This permission accesses recently closed tabs and windows. Rated High because it can monitor user activity, recover closed sensitive pages, and track browsing patterns.

The following context increases the overall risk:• 15% increase: Older manifest version lacks modern security controls

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 enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.

This extension uses Manifest Version 2

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