SECURITY REPORT · EXTENSHI SCAN
Ask for Container
Firefox extension·by Finn Birich
0
/ 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
Ask for Container's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 122,439 extensions
In Privacy & Security
14%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 15,091 privacy & security extensions
Findings
11
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
2
median 4vs category median
Findings breakdown
Automated security signal · 11 findings across 5 severities
11
findings
detected
detected
Critical19%
High436%
Medium545%
Low19%
Info00%
Permissions requested
5 risky permissions of 8 total
1 critical permission require attention
This extension requests 8 permissions in total. 5 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
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
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
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Jul 4, 2026
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