Thunder Vpn 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.

This permission allows the extension to control the browser's proxy settings. Rated Critical because it can route all traffic through potentially malicious proxies, enabling man-in-the-middle attacks and traffic monitoring.

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

Complete control over network traffic and routing

Allows extensions to intercept web requests, manage cookies, and access identity or certificate-related functionalities, potentially compromising secure access and authentication processes.

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 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 extension uses Manifest Version 2

This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.

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