SECURITY REPORT · EXTENSHI SCAN
Himitsu
Firefox extension·by hiahatf
75
/ 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
Himitsu's safety score vs every other extension we've scanned
Globally
24%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,509 extensions
In Privacy & Security
20%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,615 privacy & security extensions
Findings
19
median 7Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
0
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected
detected
Scanners reported 25 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High526%
Needs Review00%
Medium842%
Low211%
Info421%
Permissions requested
0 permissions declared
No permissions requested
This extension doesn't request any browser permissions. That's unusually clean.
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Scan performed by extenshi.io · Aug 10, 2026
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