SECURITY REPORT · EXTENSHI SCAN
Media Player for YouTube™
Firefox extension·by Sarah Av.
71
/ 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
Media Player for YouTube™'s safety score vs every other extension we've scanned
Globally
8%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,874 extensions
In Games Entertainment
3%of games entertainment extensions carry more risk
Riskier ←→ Safer
Ranked against 9,625 games entertainment extensions
Findings
26
median 7Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
694
median 4vs category median
Findings breakdown
Automated security signal · 26 distinct issues across 6 severities
26
distinct issues
detected
detected
Critical14%
High415%
Needs Review00%
Medium1765%
Low415%
Info00%
Permissions requested
2 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
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
http://www.youtube.com/*
No additional information available.
Info
https://www.youtube.com/*
No additional information available.
Are you the author of Media Player for YouTube™?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Media Player for YouTube™'s live security score on GitHub or in your docs
Scan performed by extenshi.io · Oct 22, 2026
Browser extensions made transparent.