| scripting | Permission | | This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to. |
| 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. |
| 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. |
| declarativeNetRequestWithHostAccess | Permission | | This permission combines network request modification with host permissions. Rated Critical because it can modify requests for specific domains, potentially targeting sensitive websites with precise attack rules. |
| 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. |
| <all_urls> | Host | | Broad host access — the extension can read/modify content on every website. |
| Dangerous Permission Combination: scripting,<all_urls>,webRequest | Risk Factor | | Enables sophisticated data theft through script injection and traffic monitoring |
| Dangerous Permission Combination: proxy,webRequestBlocking,webRequest | Risk Factor | | Complete control over network traffic and routing |
| 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. |
| downloads | Permission | | 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. |
| dns | Permission | | This permission resolves DNS records and modifies DNS settings. Rated High because it can monitor domain lookups, potentially redirect traffic, and gather browsing patterns. |
| Contextual Risk Factors | Risk Factor | | The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation |
| 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. |
| 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. |
| 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. |
| 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. |
| alarms | Permission | | This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data. |
| notifications | Permission | | This permission displays system notifications. Rated Low because it can only show user-visible notifications without accessing system data. |
| contextMenus | Permission | | This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content. |
Firefox Add-ons
