extenshi.io
SECURITY REPORT · EXTENSHI SCAN

AdBlock — block ads across the web

Chrome extension·by AdBlock
48
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

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

AdBlock — block ads across the web's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,380 extensions
In Productivity
2%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 191,263 productivity extensions
Findings
190
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
12
median 3Declared in manifest
Active users
64000000
median 14vs category median

Findings breakdown

Automated security signal · 190 distinct issues across 6 severities
190
distinct issues
detected
Scanners reported 192 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

4 risky permissions of 12 total
1 critical permission require attention
This extension requests 12 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions(optional)

Can enable, disable, or uninstall other browser extensions

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

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

Medium
Show notifications

Can display desktop notifications outside the browser

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

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Low
Schedule tasks

Can schedule periodic background tasks

Low
Detect idle state

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

Are you the author of AdBlock — block ads across the web?

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 AdBlock — block ads across the web'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/227313)](https://catalog.extenshi.io/extensions/227313/security)
HTML
<a href="https://catalog.extenshi.io/extensions/227313/security"><img src="https://catalog.extenshi.io/api/badge/227313" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Aug 16, 2026
Browser extensions made transparent.