Umbra Dark ModeSecurity Analysis

Injects and executes scripts in web pages programmatically.

Dynamically creates script elements, potentially loading external malicious code.

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

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

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

Uses XMLHttpRequest to make network calls.

Modifies window.location to redirect the user, potentially to phishing or malicious pages.

Line exceeds 5000 characters (entropy: 5.713089939380321)

This extension does not define a Content Security Policy. A CSP helps prevent XSS and code injection attacks.

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

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

Encodes data to base64, may be used for data exfiltration.