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SECURITY REPORT · EXTENSHI SCAN

ClusterTabs

Chrome extension·by ClusterTabs
84
/ 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

ClusterTabs's safety score vs every other extension we've scanned
Globally
52%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
65%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 198,326 productivity extensions
Findings
10
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
19
median 14vs category median

Findings breakdown

Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected

Permissions requested

2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
View open tabs

Can see URLs and titles of all open tabs

Medium
Show notifications

Can display desktop notifications outside the browser

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Low
Manage tab groups

Can create and manage tab groups

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Scan performed by extenshi.io · Aug 16, 2026
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