SECURITY REPORT · EXTENSHI SCAN

ShieldBlock - Ad & Tracker Blocker Pro

Chrome extension·by TXA Studio
34
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.

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

ShieldBlock - Ad & Tracker Blocker Pro's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,522 extensions
In Productivity
1%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 191,269 productivity extensions
Findings
310
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
12
median 3Declared in manifest
Active users
10
median 14vs category median

Findings breakdown

Automated security signal · 310 distinct issues across 6 severities
310
distinct issues
detected

Permissions requested

4 risky permissions of 12 total
4 high-risk permissions require attention
This extension requests 12 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
User scripts

Can register and execute user scripts in web pages

High
Control privacy settings(optional)

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

High
Observe web requests(optional)

Can monitor all network requests made by the browser

Medium
Access current tab

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

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
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

Low
Create offscreen documents

Can create hidden documents for background processing tasks

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Scan performed by extenshi.io · Sep 21, 2026
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