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SECURITY REPORT · EXTENSHI SCAN

Policy Control - JavaScript and Flash blocker

Firefox extension·by Jeremy Schomery
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

Policy Control - JavaScript and Flash blocker's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,874 extensions
In Privacy & Security
18%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,622 privacy & security extensions
Findings
16
median 10Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
370
median 3vs category median

Findings breakdown

Automated security signal · 16 distinct issues across 6 severities
16
distinct issues
detected

Permissions requested

3 risky permissions of 5 total
3 high-risk permissions require attention
This extension requests 5 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

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
*://*/*

No additional information available.

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Scan performed by extenshi.io · Oct 22, 2026
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