Kami for Google Chrome™Security Analysis

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

Extension has access to all sites and captures keyboard input — behavior consistent with a keylogger.

Injects and executes scripts in web pages programmatically.

Creates functions from strings, similar to eval(), often used to hide malicious code.

Dynamically creates script elements, potentially loading external malicious code.

Listens for keyboard events, a common technique used by keyloggers.

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

Creates a function from a string (new Function()), similar to eval().

ReDoS via crafted markdown input

XSS via crafted markdown links

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

Extension tracks open tabs and communicates with external servers — potential browsing surveillance.

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

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

Dynamically creates iframe elements, which can be used to load external content or hide malicious UI.

Decodes base64 data, commonly used to hide malicious payloads.

JavaScript file could not be parsed. May contain obfuscated or minified code.

Line exceeds 5000 characters (entropy: 5.191151973638085)

Arbitrary code execution via template function

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

JavaScript files are exposed as web-accessible resources. Matched websites can load and interact with extension scripts.

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

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

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

Reads or writes to localStorage, which may contain sensitive site data.

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

Extension accepts messages from 3 external pattern(s). Verify these are trusted origins.

companion_lazy_languages.js

companion_lazy_markdown.js