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SECURITY REPORT · EXTENSHI SCAN

Claude Code Browser Control

Chrome extension
59
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

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

Claude Code Browser Control's safety score vs every other extension we've scanned
Globally
5%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
6%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 198,326 productivity extensions
Findings
108
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
12
median 3Declared in manifest
Active users
247
median 14vs category median

Findings breakdown

Automated security signal · 108 distinct issues across 6 severities
108
distinct issues
detected
Scanners reported 109 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

5 risky permissions of 12 total
2 critical permissions require attention
This extension requests 12 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions

Can enable, disable, or uninstall other browser extensions

Critical
Browser debugger access

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

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
View open tabs

Can see URLs and titles of all open tabs

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

Medium
Access current tab

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

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Read clipboard

Can read text and data currently on your clipboard

Medium
Write to clipboard

Can place content onto your clipboard

Medium
Store local data

Can save data locally in the browser for persistence

Low
Schedule tasks

Can schedule periodic background tasks

Low
Create offscreen documents

Can create hidden documents for background processing tasks

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Scan performed by extenshi.io · Aug 16, 2026
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