Wayback Machine Firefox extension security report

This permission enables the extension to monitor and analyze all web requests made by the browser. Rated Critical because it can observe all network traffic including sensitive data, track browsing behavior, and gather authentication tokens.

This permission allows the extension to intercept, modify, or block any web request in real-time before it reaches its destination. Rated Critical because it can modify sensitive data (like passwords, credit cards) before encryption, redirect traffic to malicious sites, or block security updates.

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

This extension can intercept, modify, and block web requests in real-time.

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.

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

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

This extension can inject scripts into any website.

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.

Host permission — access limited to this URL pattern.

This extension uses Manifest Version 2

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

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