extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Browser for AI Agent

Firefox extension·by mantou132
66
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

Browser for AI Agent's safety score vs every other extension we've scanned
Globally
10%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,380 extensions
In Other
3%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,696 other extensions
Findings
76
median 3Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
28
median 3Declared in manifest
Active users
26
median 2vs category median

Findings breakdown

Automated security signal · 76 distinct issues across 6 severities
76
distinct issues
detected
Scanners reported 85 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

13 risky permissions of 28 total
3 critical permissions require attention
This extension requests 28 permissions in total. 13 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps

Can exchange messages with applications installed on your computer

Critical
Access to all websites

Can read and modify content on every website you visit

Critical
Browser debugger access

Can attach to tabs and inspect/modify all page data using Chrome DevTools protocol

High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Write to clipboard

Can place content onto your clipboard

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Access bookmarks

Can read and modify your saved bookmarks

Medium
Access session data

Can query and restore recently closed tabs and windows

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

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Scan performed by extenshi.io · Jul 31, 2026
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