SECURITY REPORT · EXTENSHI SCAN
PlantUML for GitHub
Firefox extension·by PlantUML
74
/ 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
PlantUML for GitHub's safety score vs every other extension we've scanned
Globally
21%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,596 extensions
In Web Development
12%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 15,326 web development extensions
Findings
35
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
870
median 2vs category median
Findings breakdown
Automated security signal · 35 distinct issues across 6 severities
35
distinct issues
detected
detected
Critical00%
High39%
Needs Review00%
Medium2777%
Low514%
Info00%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
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Info
https://github.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 23, 2026
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