SingleFile Firefox extension security report

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

This permission accesses Chrome identity service and user information. Rated High because it can obtain OAuth tokens, access connected accounts, and impersonate the user in authenticated service.

This permission controls file downloads and accesses download history. Rated High because it can download malicious files, access sensitive downloaded documents, and track user download patterns.

The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation• 15% increase: Older manifest version lacks modern security controls• 10% increase: About:blank access enables potential sandbox escape vectors

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

This extension runs content scripts at document_start.

This extension can run content scripts in about:blank pages.

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.