SECURITY REPORT · EXTENSHI SCAN
PlantUML Visualizer
Firefox extension·by WillBooster Inc.
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
PlantUML Visualizer's safety score vs every other extension we've scanned
Globally
80.85%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
70.85%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
7
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
4
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Scanners reported 13 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical114%
High229%
Needs Review00%
Medium229%
Low229%
Info00%
Permissions requested
2 risky permissions of 4 total
2 high-risk permissions require attention
This extension requests 4 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
Medium
Store local data
Can save data locally in the browser for persistence
Info
file:///*/*
No additional information available.
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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