SECURITY REPORT · EXTENSHI SCAN
FeedCleaner
Firefox extension·by koshiro
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
FeedCleaner's safety score vs every other extension we've scanned
Globally
76%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
63%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
3
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 3 distinct issues across 6 severities
3
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium3100%
Low00%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Write to clipboard
Can place content onto your clipboard
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Info
*://www.youtube.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 9, 2026
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