SECURITY REPORT · EXTENSHI SCAN
Header Relay — HTTP Request Header Modifier & Response Header Capture
Chrome extension·by hsb.horse
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 Relay — HTTP Request Header Modifier & Response Header Capture's safety score vs every other extension we've scanned
Globally
43%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
55%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
23
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
10
median 14vs category median
Findings breakdown
Automated security signal · 23 distinct issues across 6 severities
23
distinct issues
detected
detected
Scanners reported 24 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High14%
Needs Review00%
Medium1252%
Low1043%
Info00%
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
Observe web requests
Can monitor all network requests made by the browser
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 · Aug 21, 2026
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