SECURITY REPORT · EXTENSHI SCAN
Make YouTube great again
Firefox extension·by Tautvydas Deržinskas
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
Likely abandonedsafety score reduced by 30 points
- No update in over 7 years
Why this matters
An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.
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
Make YouTube great again's safety score vs every other extension we've scanned
Globally
7%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Photos Music Videos
2%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 10,146 photos music videos extensions
Findings
41
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
13
median 6vs category median
Findings breakdown
Automated security signal · 41 distinct issues across 6 severities
41
distinct issues
detected
detected
Scanners reported 67 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical25%
High37%
Needs Review00%
Medium3073%
Low615%
Info00%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 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.
Info
*://*.flvto.biz/*
No additional information available.
Info
*://*.onlinevideoconverter.com/youtube-converter*
No additional information available.
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Scan performed by extenshi.io · Aug 18, 2026
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