SECURITY REPORT · EXTENSHI SCAN
YTScheduler
Firefox extension·by Eric
78
/ 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
YTScheduler's safety score vs every other extension we've scanned
Globally
32%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,748 extensions
In Social & Communication
16%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 13,651 social & communication extensions
Findings
65
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 65 distinct issues across 6 severities
65
distinct issues
detected
detected
Critical00%
High23%
Needs Review00%
Medium6092%
Low35%
Info00%
Permissions requested
3 risky permissions of 5 total
3 high-risk permissions require attention
This extension requests 5 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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
https://www.youtube.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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