| proxy | Permission | | 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. |
| webRequest | Permission | | 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. |
| webRequestBlocking | Permission | | 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. |
| privacy | Permission | | This permission allows modification of Chrome's privacy settings. Rated Critical because it can disable security features, modify network configurations, and compromise browser security settings. |
| <all_urls> | Host | | Broad host access — the extension can read/modify content on every website. |
| Dangerous Permission Combination: proxy,webRequestBlocking,webRequest | Risk Factor | | Complete control over network traffic and routing |
| Dangerous Permission Combination: proxy,webRequestBlocking,cookies | Risk Factor | | Allows extensions to intercept web requests, manage cookies, and access identity or certificate-related functionalities, potentially compromising secure access and authentication processes. |
| Dangerous Permission Combination | Risk Factor | | This extension can intercept, modify, and block web requests in real-time. |
| webNavigation | Permission | | This permission enables monitoring of all browser navigation events and transitions. Rated High because it can track every page visit, navigation method, and browsing pattern, potentially exposing sensitive browsing behavior and user activities. |
| cookies | Permission | | 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. |
| browserSettings | Permission | | This permission (Firefox) allows the extension to read and modify global browser settings, including proxy-adjacent networking, DNS-over-HTTPS and homepage configuration. Rated High because it can weaken browser security posture globally. |
| Contextual Risk Factors | Risk Factor | | 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 |
| Broad Host Permissions | Risk Factor | | This extension has broad host permissions allowing it to access many or all websites. |
| Broad Content Script Access | Risk Factor | | This extension can inject scripts into any website. |
| management | Permission | | This permission manages other installed extensions. Rated Medium because it can enable/disable other extensions and modify their settings, with changes being visible to users. |
| tabs | Permission | | This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns. |
| activeTab | Permission | | 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. |
| storage | Permission | | 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. |
| unlimitedStorage | Permission | | This permission removes storage quota restrictions. Rated Medium because it can store large amounts of user data without limits, potentially impacting browser performance and storing extensive tracking data. |
| Early Content Script Execution | Risk Factor | | This extension runs content scripts at document_start. |
| Older Manifest Version | Risk Factor | | This extension uses Manifest Version 2 |
| contextMenus | Permission | | This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content. |
| notifications | Permission | | This permission displays system notifications. Rated Low because it can only show user-visible notifications without accessing system data. |
Firefox Add-ons
