SECURITY REPORT · EXTENSHI SCAN
Mutant Mail - Single Inbox
Firefox extension·by Fresent LLC
0
/ 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
Mutant Mail - Single Inbox's safety score vs every other extension we've scanned
Globally
32%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
25%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
15
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected
detected
Scanners reported 22 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High320%
Needs Review00%
Medium960%
Low213%
Info17%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
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Scan performed by extenshi.io · Aug 18, 2026
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