SECURITY REPORT · EXTENSHI SCAN
Header Kit - HTTP Header & Cookie Editor
Edge extension·by KitLabsAI
0
/ 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
Header Kit - HTTP Header & Cookie Editor's safety score vs every other extension we've scanned
Globally
31%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Developer Tools
55%of developer tools extensions carry more risk
Riskier ←→ Safer
Ranked against 3,124 developer tools extensions
Findings
12
median 15Lower is safer
Critical findings
1
median 1Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
0
median 69vs category median
Findings breakdown
Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected
detected
Scanners reported 25 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical18%
High217%
Needs Review00%
Medium758%
Low217%
Info00%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
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
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 26, 2026
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