SECURITY REPORT · EXTENSHI SCAN
Markdown Preview + Mermaid
Chrome extension·by Kirtimaan
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
Markdown Preview + Mermaid's safety score vs every other extension we've scanned
Globally
23%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,594 extensions
In Productivity
30%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 194,438 productivity extensions
Findings
46
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
1
median 3Declared in manifest
Active users
45
median 14vs category median
Findings breakdown
Automated security signal · 46 distinct issues across 6 severities
46
distinct issues
detected
detected
Scanners reported 52 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical12%
High00%
Needs Review00%
Medium2146%
Low2146%
Info37%
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 5, 2026
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