SECURITY REPORT · EXTENSHI SCAN
YT Booster
Firefox extension·by Brainy Logical
79
/ 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
YT Booster's safety score vs every other extension we've scanned
Globally
23%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,874 extensions
In Bookmarks
15%of bookmarks extensions carry more risk
Riskier ←→ Safer
Ranked against 6,517 bookmarks extensions
Findings
108
median 9Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
24
median 2vs category median
Findings breakdown
Automated security signal · 108 distinct issues across 6 severities
108
distinct issues
detected
detected
Critical33%
High22%
Needs Review00%
Medium10093%
Low11%
Info22%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Show notifications
Can display desktop notifications outside the browser
Info
https://www.youtube.com/watch*
No additional information available.
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Scan performed by extenshi.io · Oct 23, 2026
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