SECURITY REPORT · EXTENSHI SCAN
Client Challenge
Firefox extension·by 北京盈科千信科技有限公司
15
/ 100 SAFETY SCORE
CRITICAL
Severe indicators. Treat as unsafe until the developer addresses these findings.
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
0%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,560 extensions
In Language Support
0%of language support extensions carry more risk
Riskier ←→ Safer
Ranked against 4,567 language support extensions
Findings
47
median 7Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
39
median 3vs category median
Findings breakdown
Automated security signal · 47 distinct issues across 6 severities
47
distinct issues
detected
detected
Scanners reported 68 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical36%
High613%
Needs Review00%
Medium2962%
Low613%
Info36%
Permissions requested
2 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 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
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Add context menu items
Can add custom items to the right-click context menu
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 · Sep 13, 2026
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