SECURITY REPORT · EXTENSHI SCAN
Client Challenge
Firefox extension·by Amal Graafstra
81
/ 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
40%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,509 extensions
In Tabs
22%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,639 tabs extensions
Findings
10
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
57
median 3vs category median
Findings breakdown
Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected
detected
Critical220%
High330%
Needs Review00%
Medium330%
Low220%
Info00%
Permissions requested
3 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
High
Control proxy settings
Can route your browser traffic through a proxy server
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Oct 20, 2026
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