SECURITY REPORT · EXTENSHI SCAN
Client Challenge
Firefox extension·by fly63
74
/ 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
21%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,240 extensions
In Language Support
14%of language support extensions carry more risk
Riskier ←→ Safer
Ranked against 4,479 language support extensions
Findings
19
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
71
median 3vs category median
Findings breakdown
Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected
detected
Critical15%
High15%
Needs Review00%
Medium1684%
Low15%
Info00%
Permissions requested
2 risky permissions of 3 total
1 critical permission require attention
This extension requests 3 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
Observe web requests
Can monitor all network requests made by the browser
Info
*://*.fly63.com/*
No additional information available.
Are you the author of Client Challenge?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Client Challenge's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 7, 2026
Browser extensions made transparent.