extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Ad-BlockerPro

Firefox extension·by pcvark
60
/ 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

Ad-BlockerPro's safety score vs every other extension we've scanned
Globally
5%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 380,906 extensions
In Privacy & Security
4%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 11,900 privacy & security extensions
Findings
62
median 5Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
15
median 4Declared in manifest
Active users
1231
median 3vs category median

Findings breakdown

Automated security signal · 62 distinct issues across 6 severities
62
distinct issues
detected
Scanners reported 71 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

8 risky permissions of 15 total
1 critical permission require attention
This extension requests 15 permissions in total. 8 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps

Can exchange messages with applications installed on your computer

High
View open tabs

Can see URLs and titles of all open tabs

High
Access all HTTP sites

Can read and modify content on all non-encrypted websites

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

High
Observe web requests

Can monitor all network requests made by the browser

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

Medium
Add context menu items

Can add custom items to the right-click context menu

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
Show notifications

Can display desktop notifications outside the browser

Medium
Open downloaded files

Can open files that have been downloaded

Medium
Access current tab

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

Low
Schedule tasks

Can schedule periodic background tasks

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Scan performed by extenshi.io · Sep 8, 2026
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