Sprout Video Downloader Firefox extension security report

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.

This permission grants access to all websites without restriction. Rated High because it can access any web content, monitor all web activity, and potentially steal sensitive data across all sites.

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.

This permission creates hidden browser documents with full DOM access. Rated High because it can run background operations invisibly, potentially executing malicious code without user awareness.

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• 25% increase: Unsafe code evaluation capabilities increase attack surface

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

This extension can inject scripts into any website.

This extension's CSP allows "wasm-unsafe-eval".

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.

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

Host permission — access limited to this URL pattern.

Host permission — access limited to this URL pattern.

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 runs content scripts at document_start.

This extension uses Manifest Version 2