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SECURITY REPORT · EXTENSHI SCAN

Adlessio — Ad Blocker

Firefox extension·by Lexlam Electronics Of Brazil
77
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

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

Adlessio — Ad Blocker's safety score vs every other extension we've scanned
Globally
32%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 403,022 extensions
In Privacy & Security
26%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,537 privacy & security extensions
Findings
21
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
11
median 4Declared in manifest
Active users
1
median 3vs category median

Findings breakdown

Automated security signal · 21 distinct issues across 6 severities
21
distinct issues
detected

Permissions requested

2 risky permissions of 11 total
2 high-risk permissions require attention
This extension requests 11 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
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

Medium
Store local data

Can save data locally in the browser for persistence

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

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

Info
*://*.youtube.com/*

No additional information available.

Info
*://*.youtube-nocookie.com/*

No additional information available.

Info
*://*.youtubekids.com/*

No additional information available.

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Scan performed by extenshi.io · Sep 27, 2026
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