SECURITY REPORT · EXTENSHI SCAN
TST Lock
Firefox extension·by Irv66
83
/ 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
TST Lock's safety score vs every other extension we've scanned
Globally
46%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Tabs
25%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,598 tabs extensions
Findings
4
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
42
median 2vs category median
Findings breakdown
Automated security signal · 4 distinct issues across 6 severities
4
distinct issues
detected
detected
Critical125%
High125%
Needs Review00%
Medium125%
Low125%
Info00%
Permissions requested
1 risky permission of 2 total
1 high-risk permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Access session data
Can query and restore recently closed tabs and windows
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Scan performed by extenshi.io · Aug 24, 2026
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