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SECURITY REPORT · EXTENSHI SCAN

HeaderMod

Edge extension·by UtilsFactory
79
/ 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

HeaderMod's safety score vs every other extension we've scanned
Globally
34%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 403,277 extensions
In Developer Tools
59%of developer tools extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 3,463 developer tools extensions
Findings
11
median 16Lower is safer
Critical findings
1
median 1Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
699
median 55vs category median

Findings breakdown

Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected

Permissions requested

3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data

Can save data locally in the browser for persistence

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

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 14, 2026
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