SECURITY REPORT · EXTENSHI SCAN
Containers New Tab
Firefox extension·by shotor
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
Containers New Tab's safety score vs every other extension we've scanned
Globally
32%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Tabs
13%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 11,722 tabs extensions
Findings
13
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 13 distinct issues across 6 severities
13
distinct issues
detected
detected
Scanners reported 14 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical18%
High646%
Needs Review00%
Medium538%
Low18%
Info00%
Permissions requested
6 risky permissions of 8 total
6 high-risk permissions require attention
This extension requests 8 permissions in total. 6 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
High
View most visited sites
Can see your most frequently visited websites
High
Control proxy settings
Can route your browser traffic through a proxy server
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
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Scan performed by extenshi.io · Aug 16, 2026
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