SECURITY REPORT · EXTENSHI SCAN
Client Challenge
Firefox extension·by cowan
88
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
59%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Alerts & Updates
31%of alerts & updates extensions carry more risk
Riskier ←→ Safer
Ranked against 7,121 alerts & updates extensions
Findings
9
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 1vs category median
Findings breakdown
Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium667%
Low333%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://www.cwl.gov.cn/*
No additional information available.
Info
http://www.cwl.gov.cn/*
No additional information available.
Info
*://*.cwl.gov.cn/*
No additional information available.
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Scan performed by extenshi.io · Aug 31, 2026
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