SECURITY REPORT · EXTENSHI SCAN
QSeal — post-quantum encryption & signing
Firefox extension·by Qseal
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
QSeal — post-quantum encryption & signing's safety score vs every other extension we've scanned
Globally
37%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Privacy & Security
31%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,541 privacy & security extensions
Findings
58
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 58 distinct issues across 6 severities
58
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium5697%
Low23%
Info00%
Permissions requested
1 risky permission of 3 total
1 critical permission require attention
This extension requests 3 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Write to clipboard
Can place content onto your clipboard
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Scan performed by extenshi.io · Sep 13, 2026
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