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158 indicators in this extension

158 indicators
0 versions analysed

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What our analysis found

uBlock, used by 39,210 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites, can inject scripts into pages and can observe network requests. It was last updated in September 2025.

uBlock

uBlock Edge extension security report

ID: nffknjpglkklphnibdiadeeeeailfnog

Supported Languages

🇧🇷Brazilian Portuguese
🇨🇳Chinese (Simplified)
🇹🇼Chinese (Traditional)
🇳🇱Dutch
🇨🇦French
🇩🇪German
🇮🇹Italian
🇯🇵Japanese
🇷🇺Russian
🇪🇸Spanish
🇸🇪Swedish
🇺🇸US English

Extension Info & Metadata

Status
Active
Version
25.5.0
Size
61.14 MB
Rating
2.0/5
Reviews
18
Users
39,210
Type
Extension
Updated
Sep 25, 2025
Category
Productivity
Price
Paid
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
Download CRX
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This publisherTrack record
1extension
All still listed

Publisher Contextual Analysis

Author
uBlock, LLC
Privacy
Privacy Policy
Website
Visit
Extensions
1
Active
1
Obsolete
0
Listed
1
Unlisted
0
Users
39,210

Screenshots & videos

Screenshot 1
Screenshot 2
Screenshot 3

Install growth

Item
Type
Severity
Description
declarativeNetRequest
Permission
Critical
This permission allows the extension to define rules to block, redirect, or modify network requests. Rated Critical because it can control all network traffic, potentially blocking security updates or redirecting to malicious sites.
webRequest
Permission
Critical
This permission enables the extension to monitor and analyze all web requests made by the browser. Rated Critical because it can observe all network traffic including sensitive data, track browsing behavior, and gather authentication tokens.
scripting
Permission
Critical
This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.
*://*/*
Host
Critical
Broad host access — the extension can read/modify content on every website.
webNavigation
Permission
High
This permission enables monitoring of all browser navigation events and transitions. Rated High because it can track every page visit, navigation method, and browsing pattern, potentially exposing sensitive browsing behavior and user activities.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation• 10% increase: About:blank access enables potential sandbox escape vectors
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Broad Content Script Access
Risk Factor
High
This extension can inject scripts into any website.
declarativeNetRequestFeedback
Permission
Medium
This permission provides network request modification logs. Rated Medium because it can monitor network request changes and debug traffic modifications.
tabs
Permission
Medium
This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
unlimitedStorage
Permission
Medium
This permission removes storage quota restrictions. Rated Medium because it can store large amounts of user data without limits, potentially impacting browser performance and storing extensive tracking data.
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
About:blank Access
Risk Factor
Medium
This extension can run content scripts in about:blank pages.
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.

158 indicators in this extension

158 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe

About this extension

A no-nonsense ad blocker

Read the publisher’s full description

uBlock: A no-nonsense ad blocker. The official uBlock extension has been downloaded millions of times and is used all over the world. Install today and enjoy a hassle-free browsing experience! Why uBlock? ☑ Block ads on YouTube, Facebook, and the rest of your favorite sites ☑ Easy to set up, so you can get your pop-up blocker going right away ☑ No customization needed: automatically provides you with the best ad blocking ☑ Protect yourself from trackers, crypto-miners, other privacy risks ☑ Fast performance: less strain on your computer so you can browse with ease ☑ Free to use, making it easy to jump in and start removing ads ------------------------- What is uBlock? uBlock is an ad and content blocker designed to be lightweight and efficient. uBlock blocks ads on all websites, including Facebook and YouTube. uBlock also protects you against malicious crypto-mining scripts used by sites to use your CPU and slow down your web browsing. One of the fastest adblockers available, uBlock is simple to set up and easy to use. ------------------------- Set and forget. Add uBlock to your browser to automatically block ads, pop ups, and trackers. Browse faster. Learn more at https://www.ublock.org/

User reviews

Extension files

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URLs
157
IPv4
1

URLs

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No URLs found
No IP addresses found

158 indicators in this extension

158 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe
Version
Size
Verdict
Findings
Permhash
23.2.10
Latest
6.89 MBNot scanned—
4ea4a429450aa3b1140c82ea5f7ebdeef5a4d3c624c25859f9719745c487bb8a
23.3.0
7.63 MBNot scanned—
4ea4a429450aa3b1140c82ea5f7ebdeef5a4d3c624c25859f9719745c487bb8a
25.1.0
61.31 MBNot scanned—
4ea4a429450aa3b1140c82ea5f7ebdeef5a4d3c624c25859f9719745c487bb8a
25.2.0
58.71 MBNot scanned—
4ea4a429450aa3b1140c82ea5f7ebdeef5a4d3c624c25859f9719745c487bb8a
25.3.0
52.90 MBNot scanned—
4ea4a429450aa3b1140c82ea5f7ebdeef5a4d3c624c25859f9719745c487bb8a
25.4.0
51.20 MBNot scanned—
4ea4a429450aa3b1140c82ea5f7ebdeef5a4d3c624c25859f9719745c487bb8a
25.5.0
61.14 MBNot scanned—
4ea4a429450aa3b1140c82ea5f7ebdeef5a4d3c624c25859f9719745c487bb8a
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