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SECURITY REPORT · EXTENSHI SCAN

uBlock

Chrome extension·by ublock
59
/ 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

uBlock's safety score vs every other extension we've scanned
Globally
5%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 401,999 extensions
In Productivity
6%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 194,438 productivity extensions
Findings
61
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
10
median 3Declared in manifest
Active users
1000000
median 14vs category median

Findings breakdown

Automated security signal · 61 distinct issues across 6 severities
61
distinct issues
detected
Scanners reported 67 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 10 total
3 high-risk permissions require attention
This extension requests 10 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
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
Execute scripts in pages

Can inject and execute JavaScript code in web pages

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
Unlimited local storage

Can store large amounts of data locally without size limits

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

Low
Schedule tasks

Can schedule periodic background tasks

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

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Scan performed by extenshi.io · Aug 6, 2026
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