Signer.Digital Digital Signature, PKISecurity Analysis

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

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.

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.

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.

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

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