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SECURITY REPORT · EXTENSHI SCAN

YouTube Enhancer

Firefox extension·by Flynn
87
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.

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

YouTube Enhancer's safety score vs every other extension we've scanned
Globally
56%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 383,513 extensions
In Appearance
23%of appearance extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 18,497 appearance extensions
Findings
9
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 2Declared in manifest
Active users
12
median 3vs category median

Findings breakdown

Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected

Permissions requested

2 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 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
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Medium
Store local data

Can save data locally in the browser for persistence

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Scan performed by extenshi.io · Aug 25, 2026
Browser extensions made transparent.