extenshi.io
SECURITY REPORT · EXTENSHI SCAN

YouTube Subscription Transfer

Firefox extension·by Chipi Mojohnny
92
/ 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 Subscription Transfer's safety score vs every other extension we've scanned
Globally
67%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,581 extensions
In Games Entertainment
37%of games entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 9,480 games entertainment extensions
Findings
5
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
2
median 4vs category median

Findings breakdown

Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected

Permissions requested

2 risky permissions of 7 total
2 high-risk permissions require attention
This extension requests 7 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Low
Schedule tasks

Can schedule periodic background tasks

Info
https://www.youtube.com/*

No additional information available.

Info
https://youtube.com/*

No additional information available.

Are you the author of YouTube Subscription Transfer?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show YouTube Subscription Transfer's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/409698)](https://catalog.extenshi.io/extensions/409698/security)
HTML
<a href="https://catalog.extenshi.io/extensions/409698/security"><img src="https://catalog.extenshi.io/api/badge/409698" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Aug 30, 2026
Browser extensions made transparent.