SECURITY REPORT · EXTENSHI SCAN
Fastmail favicon count
Firefox extension·by Michael P. Geraci
97
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Fastmail favicon count's safety score vs every other extension we've scanned
Globally
85%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Social & Communication
72%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 13,675 social & communication extensions
Findings
3
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
8
median 3vs category median
Findings breakdown
Automated security signal · 3 distinct issues across 6 severities
3
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium133%
Low133%
Info133%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Info
https://fastmail.com
No additional information available.
Info
*://*.fastmail.com/mail*
No additional information available.
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Scan performed by extenshi.io · Aug 6, 2026
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