SECURITY REPORT · EXTENSHI SCAN
Tab Session Garrison
Firefox extension·by HammerheadCorvette
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
Tab Session Garrison's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
6%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
37
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
8
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 37 distinct issues across 6 severities
37
distinct issues
detected
detected
Scanners reported 41 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High1335%
Needs Review00%
Medium1130%
Low1130%
Info25%
Permissions requested
3 risky permissions of 8 total
3 high-risk permissions require attention
This extension requests 8 permissions in total. 3 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
Manage downloads
Can initiate downloads and access your download history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Customize theme
Can change the browser theme appearance
Low
Schedule tasks
Can schedule periodic background tasks
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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