SECURITY REPORT · EXTENSHI SCAN
MDReader - Interactive Markdown & Mermaid Viewer
Chrome extension
66
/ 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
MDReader - Interactive Markdown & Mermaid Viewer's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,240 extensions
In Productivity
12%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 191,259 productivity extensions
Findings
72
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 3Declared in manifest
Active users
86
median 14vs category median
Findings breakdown
Automated security signal · 72 distinct issues across 6 severities
72
distinct issues
detected
detected
Scanners reported 79 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High23%
Needs Review00%
Medium3650%
Low3346%
Info11%
Permissions requested
1 permission declared
No risky permissions
1 permission requested — none are flagged as risky.
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 10, 2026
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