PerfLens

This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.

This permission grants the extension ability to debug and control other extensions and browser tabs. Rated Critical because it can access and modify other extensions' internal state, inject code, and access sensitive data from any tab.

Broad host access — the extension can read/modify content on every website.

Broad host access — the extension can read/modify content on every website.

This permission clears browsing data, history, and redis. Rated High because it can destroy evidence of malicious activity, clear security logs, and modify browser state.

The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation

This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.

This extension runs content scripts at document_start.