SECURITY REPORT · EXTENSHI SCAN
Jomo Companion
Firefox extension·by Jomo
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
Jomo Companion's safety score vs every other extension we've scanned
Globally
40%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,560 extensions
In Tabs
22%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,641 tabs extensions
Findings
7
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
267
median 3vs category median
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Critical229%
High114%
Needs Review00%
Medium343%
Low114%
Info00%
Permissions requested
2 risky permissions of 3 total
2 critical permissions require attention
This extension requests 3 permissions in total. 2 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
Critical
Access to all websites
Can read and modify content on every website you visit
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
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Scan performed by extenshi.io · Oct 21, 2026
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