extenshi.io
SECURITY REPORT · EXTENSHI SCAN

ScreenZen Blocker

Firefox extension·by ScreenZen
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

ScreenZen Blocker's safety score vs every other extension we've scanned
Globally
30%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,560 extensions
In Other
11%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,822 other extensions
Findings
44
median 4Lower is safer
Critical findings
5
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
1138
median 2vs category median

Findings breakdown

Automated security signal · 44 distinct issues across 6 severities
44
distinct issues
detected
Scanners reported 45 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

5 risky permissions of 6 total
2 critical permissions require attention
This extension requests 6 permissions in total. 5 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

Critical
Access to all websites

Can read and modify content on every website you visit

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

High
View open tabs

Can see URLs and titles of all open tabs

Medium
Access current tab

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

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Scan performed by extenshi.io · Oct 21, 2026
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