extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Simple Site Blocker

Firefox extension·by Big Developer
74
/ 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

Simple Site Blocker's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Privacy & Security
16%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,541 privacy & security extensions
Findings
17
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
27
median 3vs category median

Findings breakdown

Automated security signal · 17 distinct issues across 6 severities
17
distinct issues
detected
Scanners reported 19 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
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
Store local data

Can save data locally in the browser for persistence

Info
http://*/

No additional information available.

Info
https://*/

No additional information available.

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Scan performed by extenshi.io · Aug 24, 2026
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