Manus AI Browser OperatorSecurity Analysis

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

Accesses browser cookies programmatically, could be used to steal session tokens.

Injects and executes scripts in web pages programmatically.

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

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

Extension has cookie access and sends data to external servers — potential session token theft.

Decodes base64 data, commonly used to hide malicious payloads.

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

Line exceeds 5000 characters (entropy: 5.4762154380177135)

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.

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.

Extension uses tab tracking APIs (onUpdated/query) and communicates with external servers — potential browsing surveillance.

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

String with entropy 5.95 bits — may be encoded/encrypted data

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