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SECURITY REPORT · EXTENSHI SCAN

Headerly

Edge extension·by aiktb
72
/ 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

Headerly's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 403,022 extensions
In Developer Tools
28%of developer tools extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 3,406 developer tools extensions
Findings
40
median 16Lower is safer
Critical findings
1
median 1Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
518
median 50vs category median

Findings breakdown

Automated security signal · 40 distinct issues across 6 severities
40
distinct issues
detected
Scanners reported 47 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 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies(optional)

Can read and modify cookies, potentially accessing login sessions

Medium
Store local data

Can save data locally in the browser for persistence

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Low
Manage tab groups

Can create and manage tab groups

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Scan performed by extenshi.io · Aug 4, 2026
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