extenshi.io
SECURITY REPORT · EXTENSHI SCAN

MV Premium

Firefox extension·by Adán
65
/ 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

MV Premium's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,831 extensions
In Social & Communication
4%of social & communication extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 13,745 social & communication extensions
Findings
308
median 7Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
33
median 3Declared in manifest
Active users
83
median 4vs category median

Findings breakdown

Automated security signal · 308 distinct issues across 6 severities
308
distinct issues
detected
Scanners reported 325 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

1 risky permission of 33 total
1 high-risk permission require attention
This extension requests 33 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
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
Access current tab

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

Medium
Add context menu items

Can add custom items to the right-click context menu

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Info
https://platform.twitter.com/*

No additional information available.

Info
https://catalog.gog.com/*

No additional information available.

Info
https://api.giphy.com/*

No additional information available.

Info
https://generativelanguage.googleapis.com/*

No additional information available.

Are you the author of MV Premium?

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 MV Premium'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/10622)](https://catalog.extenshi.io/extensions/10622/security)
HTML
<a href="https://catalog.extenshi.io/extensions/10622/security"><img src="https://catalog.extenshi.io/api/badge/10622" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Oct 19, 2026
Browser extensions made transparent.