SECURITY REPORT · EXTENSHI SCAN
PassKey
Firefox extension·by pexatar
72
/ 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
PassKey's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,240 extensions
In Privacy & Security
12%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,466 privacy & security extensions
Findings
24
median 5Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
17
median 3vs category median
Findings breakdown
Automated security signal · 24 distinct issues across 6 severities
24
distinct issues
detected
detected
Critical313%
High417%
Needs Review00%
Medium1458%
Low313%
Info00%
Permissions requested
4 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 permissions in total. 4 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
Access all HTTPS sites
Can read and modify content on all encrypted websites
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
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 22, 2026
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