SECURITY REPORT · EXTENSHI SCAN
App for Messenger™
Firefox extension·by Fernika
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
App for Messenger™'s safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Social & Communication
17%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 12,741 social & communication extensions
Findings
8
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
742
median 3vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Critical113%
High113%
Needs Review00%
Medium338%
Low338%
Info00%
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
Info
*://*.messenger.com/*
No additional information available.
Are you the author of App for Messenger™?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show App for Messenger™'s live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 25, 2026
Browser extensions made transparent.