SECURITY REPORT · EXTENSHI SCAN
Tab Grouper
Firefox extension·by Shannon Chowdhury
77
/ 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
Tab Grouper's safety score vs every other extension we've scanned
Globally
31%of extensions carry more risk
Riskier ←→ Safer
Ranked against 401,999 extensions
In Productivity
40%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 194,438 productivity extensions
Findings
9
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
1
median 14vs category median
Findings breakdown
Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected
detected
Critical111%
High222%
Needs Review00%
Medium556%
Low111%
Info00%
Permissions requested
3 risky permissions of 6 total
1 critical permission require attention
This extension requests 6 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browsing history(optional)
Can read and modify your complete browsing history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Manage tab groups
Can create and manage tab groups
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Scan performed by extenshi.io · Aug 10, 2026
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