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SECURITY REPORT · EXTENSHI SCAN

Mailshade — Tracker Blocker

Firefox extension·by Danila Pryadko
73
/ 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

Mailshade — Tracker Blocker's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,748 extensions
In Privacy & Security
14%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,508 privacy & security extensions
Findings
61
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
6
median 4Declared in manifest
Active users
1
median 3vs category median

Findings breakdown

Automated security signal · 61 distinct issues across 6 severities
61
distinct issues
detected
Scanners reported 62 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions in total. 1 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

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Add context menu items

Can add custom items to the right-click context menu

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

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Scan performed by extenshi.io · Sep 6, 2026
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