extenshi.io
SECURITY REPORT · EXTENSHI SCAN

QuaranTab

Firefox extension·by Smotana LLC
78
/ 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

QuaranTab's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 421,529 extensions
In Privacy & Security
20%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,665 privacy & security extensions
Findings
30
median 11Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
10
median 4Declared in manifest
Active users
15
median 3vs category median

Findings breakdown

Automated security signal · 30 distinct issues across 6 severities
30
distinct issues
detected

Permissions requested

8 risky permissions of 10 total
1 critical permission require attention
This extension requests 10 permissions in total. 8 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
Control proxy settings

Can route your browser traffic through a proxy server

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

High
Control privacy settings

Can modify browser privacy settings like Do Not Track and safe browsing

High
Observe web requests

Can monitor all network requests made by the browser

Medium
Container tabs

Can manage Firefox container tabs and their identities

Medium
Store local data

Can save data locally in the browser for persistence

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Scan performed by extenshi.io · Oct 23, 2026
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