extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Proton VPN: Fast & Secure

Firefox extension·by Proton
86
/ 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

Proton VPN: Fast & Secure's safety score vs every other extension we've scanned
Globally
85.94%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
75.94%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
13
median 38Lower is safer
Risky permissions
6
median 1Critical + high perms
Total permissions
12
median 4All declared perms
Critical findings
0
median 2Severity = Critical

Findings breakdown

Automated security signal · 13 distinct issues across 6 severities
13
distinct issues
detected

Permissions requested

6 risky permissions of 12 total
6 high-risk permissions require attention
This extension requests 12 permissions in total. 6 of them grant broad capabilities that are worth a careful look.
High
Control privacy settings

Can modify browser privacy settings like Do Not Track and safe browsing

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
View open tabs

Can see URLs and titles of all open tabs

High
Observe web requests

Can monitor all network requests made by the browser

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

High
Control proxy settings(optional)

Can route your browser traffic through a proxy server

Medium
Show notifications

Can display desktop notifications outside the browser

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

Low
Detect idle state

Can detect when your machine is idle, active, or locked

Info
https://account.protonvpn.com/*

No additional information available.

Info
https://account.proton.me/*

No additional information available.

Are you the author of Proton VPN: Fast & Secure?

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 Proton VPN: Fast & Secure'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/1478)](https://catalog.extenshi.io/extensions/1478/security)
HTML
<a href="https://catalog.extenshi.io/extensions/1478/security"><img src="https://catalog.extenshi.io/api/badge/1478" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.