extenshi.io
SECURITY REPORT · EXTENSHI SCAN

JavaScript Blocker

Edge extension·by Burakhan Unver
79
/ 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

JavaScript Blocker's safety score vs every other extension we've scanned
Globally
37%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,636 extensions
In Developer Tools
62%of developer tools extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 3,406 developer tools extensions
Findings
6
median 16Lower is safer
Critical findings
1
median 1Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
85
median 50vs category median

Findings breakdown

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

Permissions requested

4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data

Can save data locally in the browser for persistence

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Low
Block network requests (declarative)

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

Low
View blocked request stats

Can see which declarative rules matched network requests

Are you the author of JavaScript Blocker?

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 JavaScript Blocker'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/48149)](https://catalog.extenshi.io/extensions/48149/security)
HTML
<a href="https://catalog.extenshi.io/extensions/48149/security"><img src="https://catalog.extenshi.io/api/badge/48149" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Aug 1, 2026
Browser extensions made transparent.