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SECURITY REPORT · EXTENSHI SCAN

NordVPN - a VPN proxy extension for Firefox

Firefox extension·by NordVPN
66
/ 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

NordVPN - a VPN proxy extension for Firefox's safety score vs every other extension we've scanned
Globally
66.35%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
56.349999999999994%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
47
median 38Lower is safer
Risky permissions
8
median 1Critical + high perms
Total permissions
20
median 4All declared perms
Critical findings
0
median 2Severity = Critical

Findings breakdown

Automated security signal · 47 distinct issues across 6 severities
47
distinct issues
detected
Scanners reported 58 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

8 risky permissions of 20 total
1 critical permission require attention
This extension requests 20 permissions in total. 8 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

High
Control proxy settings

Can route your browser traffic through a proxy server

High
Observe web requests

Can monitor all network requests made by the browser

High
Control privacy settings

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

High
View open tabs

Can see URLs and titles of all open tabs

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Access current tab

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

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Medium
DNS resolution

Can perform DNS lookups

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

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