Microsoft Power Automate Firefox extension security report

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

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.

This permission enables communication with applications installed on your computer. Rated High because it can exchange data with native programs, potentially exposing system-level information and local files.

The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation• 15% increase: Older manifest version lacks modern security controls• 10% increase: About:blank access enables potential sandbox escape vectors

This extension has broad host permissions allowing it to access many or all websites.

This extension can inject scripts into any website.

This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.

This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.

This extension runs content scripts at document_start.

This extension can run content scripts in about:blank pages.

This extension uses Manifest Version 2