SECURITY REPORT · EXTENSHI SCAN
Client Challenge
Firefox extension·by Labella
80
/ 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
28%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,885 extensions
In Other
14%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 28,831 other extensions
Findings
14
median 6Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
15
median 2vs category median
Findings breakdown
Automated security signal · 14 distinct issues across 6 severities
14
distinct issues
detected
detected
Critical321%
High429%
Needs Review00%
Medium536%
Low214%
Info00%
Permissions requested
3 risky permissions of 6 total
1 critical permission require attention
This extension requests 6 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
View open tabs
Can see URLs and titles of all open tabs
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
Show notifications
Can display desktop notifications outside the browser
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Oct 22, 2026
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