SECURITY REPORT · EXTENSHI SCAN
Must blocker
Chrome extension·by Must Blocker
0
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Must blocker's safety score vs every other extension we've scanned
Globally
59%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,711 extensions
In Lifestyle
78%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 6,925 lifestyle extensions
Findings
3
median 8Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 1Declared in manifest
Active users
7
median 47vs category median
Findings breakdown
Automated security signal · 3 findings across 5 severities
3
findings
detected
detected
Critical00%
High133%
Medium133%
Low133%
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
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Jun 25, 2026
Browser extensions made transparent.