SECURITY REPORT · EXTENSHI SCAN
osu! Blocker
Firefox extension·by Josde
94
/ 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
osu! Blocker's safety score vs every other extension we've scanned
Globally
75%of extensions carry more risk
Riskier ←→ Safer
Ranked against 421,529 extensions
In Privacy & Security
74%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,665 privacy & security extensions
Findings
6
median 11Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 4Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Critical00%
High117%
Needs Review00%
Medium350%
Low233%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://*.twitter.com/*
No additional information available.
Info
*://twitter.com/*
No additional information available.
Are you the author of osu! Blocker?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show osu! Blocker's live security score on GitHub or in your docs
Scan performed by extenshi.io · Oct 23, 2026
Browser extensions made transparent.