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SECURITY REPORT · EXTENSHI SCAN

Auto HD/4k/8k for YouTube™

Firefox extension·by YouTube Auto HD
80
/ 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

Auto HD/4k/8k for YouTube™'s safety score vs every other extension we've scanned
Globally
40%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Games Entertainment
16%of games entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 9,537 games entertainment extensions
Findings
4
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
3627
median 4vs category median

Findings breakdown

Automated security signal · 4 distinct issues across 6 severities
4
distinct issues
detected
Scanners reported 6 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

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
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
*://*/*

No additional information available.

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Scan performed by extenshi.io · Jul 25, 2026
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