SECURITY REPORT · EXTENSHI SCAN
Client Challenge
Firefox extension·by Cside
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
Client Challenge's safety score vs every other extension we've scanned
Globally
36%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,022 extensions
In Social & Communication
19%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 13,671 social & communication extensions
Findings
18
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 18 distinct issues across 6 severities
18
distinct issues
detected
detected
Critical00%
High16%
Needs Review00%
Medium1161%
Low633%
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
Observe web requests
Can monitor all network requests made by the browser
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://www.hatena.ne.jp/*
No additional information available.
Info
https://accounts.hatena.ne.jp/*
No additional information available.
Info
https://blog.hatena.ne.jp/*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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