SECURITY REPORT · EXTENSHI SCAN
Custom Speed Controller for YouTube™
Firefox extension·by SunnySide Dev
80
/ 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
Custom Speed Controller for YouTube™'s safety score vs every other extension we've scanned
Globally
38%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,522 extensions
In Privacy & Security
31%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,494 privacy & security extensions
Findings
34
median 5Lower 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 · 34 distinct issues across 6 severities
34
distinct issues
detected
detected
Critical00%
High13%
Needs Review00%
Medium3191%
Low26%
Info00%
Permissions requested
1 risky permission of 3 total
1 high-risk permission require attention
This extension requests 3 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
Info
*://*.youtube.com/*
No additional information available.
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Scan performed by extenshi.io · Sep 21, 2026
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