SECURITY REPORT · EXTENSHI SCAN
YTMusic Scrobbler → Last.FM
Firefox extension·by rawin
81
/ 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
YTMusic Scrobbler → Last.FM's safety score vs every other extension we've scanned
Globally
43%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,022 extensions
In Photos Music Videos
23%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 11,178 photos music videos extensions
Findings
25
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
1
median 6vs category median
Findings breakdown
Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium1976%
Low624%
Info00%
Permissions requested
6 permissions declared
No risky permissions
6 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://music.youtube.com/*
No additional information available.
Info
https://api.spotify.com/*
No additional information available.
Info
https://accounts.spotify.com/*
No additional information available.
Info
https://api.deezer.com/*
No additional information available.
Info
https://ws.audioscrobbler.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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