SECURITY REPORT · EXTENSHI SCAN
Yomukun — JLPT Vocabulary Highlighter
Chrome extension
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
Yomukun — JLPT Vocabulary Highlighter's safety score vs every other extension we've scanned
Globally
27%of extensions carry more risk
Riskier ←→ Safer
Ranked against 371,045 extensions
In Productivity
36%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,348 productivity extensions
Findings
11
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
2
median 14vs category median
Findings breakdown
Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected
detected
Critical19%
High19%
Needs Review00%
Medium655%
Low327%
Info00%
Permissions requested
1 risky permission of 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Low
Use side panel
Can display content in the browser side panel
Low
Create offscreen documents
Can create hidden documents for background processing tasks
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Scan performed by extenshi.io · Aug 30, 2026
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