SECURITY REPORT · EXTENSHI SCAN
MWC Wallet
Firefox extension·by Nicolas Flamel
45
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
MWC Wallet's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Privacy & Security
1%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,541 privacy & security extensions
Findings
93
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 93 distinct issues across 6 severities
93
distinct issues
detected
detected
Critical22%
High55%
Needs Review00%
Medium7176%
Low1213%
Info33%
Permissions requested
2 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 permissions in total. 2 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
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Add context menu items
Can add custom items to the right-click context menu
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Scan performed by extenshi.io · Jul 27, 2026
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