SECURITY REPORT · EXTENSHI SCAN
Einvoice Signing
Firefox extension·by AnhTT
75
/ 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
Einvoice Signing's safety score vs every other extension we've scanned
Globally
14%of extensions carry more risk
Riskier ←→ Safer
Ranked against 421,529 extensions
In Other
7%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 28,848 other extensions
Findings
13
median 6Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
95
median 2vs category median
Findings breakdown
Automated security signal · 13 distinct issues across 6 severities
13
distinct issues
detected
detected
Critical18%
High431%
Needs Review00%
Medium646%
Low215%
Info00%
Permissions requested
4 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 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 HTTP sites
Can read and modify content on all non-encrypted websites
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
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Scan performed by extenshi.io · Oct 22, 2026
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