SECURITY REPORT · EXTENSHI SCAN
Container Corral
Firefox extension·by ima-hima
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
Container Corral's safety score vs every other extension we've scanned
Globally
31%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Tabs
13%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,598 tabs extensions
Findings
10
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
1
median 2vs category median
Findings breakdown
Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected
detected
Critical110%
High440%
Needs Review00%
Medium440%
Low110%
Info00%
Permissions requested
4 risky permissions of 8 total
4 high-risk permissions require attention
This extension requests 8 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
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
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
Medium
Container tabs
Can manage Firefox container tabs and their identities
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Custom menus
Can add custom items to the browser context menu
Low
Manage tab groups
Can create and manage tab groups
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Scan performed by extenshi.io · Sep 27, 2026
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