SECURITY REPORT · EXTENSHI SCAN
Marginalia: Margin notes for AI chats
Firefox extension·by Midhun
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
Marginalia: Margin notes for AI chats's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Other
14%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 26,888 other extensions
Findings
19
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
1
median 2vs category median
Findings breakdown
Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium1053%
Low947%
Info00%
Permissions requested
1 risky permission of 7 total
1 high-risk permission require attention
This extension requests 7 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://gemini.google.com/*
No additional information available.
Info
https://chatgpt.com/*
No additional information available.
Info
https://chat.openai.com/*
No additional information available.
Info
https://claude.ai/*
No additional information available.
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Scan performed by extenshi.io · Aug 17, 2026
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