SECURITY REPORT · EXTENSHI SCAN
Browser4 Extension
Chrome extension·by Vincent Zhang
73
/ 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
Browser4 Extension's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,380 extensions
In Productivity
25%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 191,263 productivity extensions
Findings
18
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
8
median 14vs category median
Findings breakdown
Automated security signal · 18 distinct issues across 6 severities
18
distinct issues
detected
detected
Critical211%
High211%
Needs Review00%
Medium1056%
Low16%
Info317%
Permissions requested
2 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
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
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Low
Manage tab groups
Can create and manage tab groups
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Scan performed by extenshi.io · Aug 23, 2026
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