Video Downloader HDSecurity Analysis

Extension intercepts network traffic and sends data externally — potential man-in-the-middle behavior.

Uses eval() to execute dynamic code, a common technique for obfuscation and code injection.

Dynamically sets a script's src attribute to load external code at runtime.

Dynamically creates script elements, potentially loading external malicious code.

Uses eval() to execute dynamic code — a common vector for code injection.

Command injection via template function

Prototype pollution via defaultsDeep

JavaScript files are accessible to ALL websites. Any page can load and interact with these scripts, enabling web→extension attacks.

Uses XMLHttpRequest to make network calls.

Sends messages via Chrome runtime, could communicate with external services.

Line exceeds 5000 characters (entropy: 5.186856214166907)

Prototype pollution via merge/mergeWith/defaultsDeep

Arbitrary code execution via template function

Web-accessible resources use <all_urls> or wildcard patterns, exposing resources to every website.

Content script matches <all_urls>, executing on every website the user visits.

Sets innerHTML directly, which can lead to XSS if used with untrusted data.

Creates a Web Worker, which runs code in a separate thread — can be used for background computation or crypto mining.

object-src is not set to 'none'. Plugins like Flash can be embedded, which may allow code execution.

js/popup.js

js/serviceWorker.js

js/serviceWorker.js