SECURITY REPORT · EXTENSHI SCAN
Shinkansen - Blazing fast web & YouTube translator
Firefox extension·by Jimmy Su
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
Shinkansen - Blazing fast web & YouTube translator's safety score vs every other extension we've scanned
Globally
6%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Language Support
4%of language support extensions carry more risk
Riskier ←→ Safer
Ranked against 4,113 language support extensions
Findings
171
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
103
median 3vs category median
Findings breakdown
Automated security signal · 171 distinct issues across 6 severities
171
distinct issues
detected
detected
Scanners reported 173 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical21%
High42%
Needs Review00%
Medium15188%
Low138%
Info11%
Permissions requested
1 risky permission of 7 total
1 critical permission require attention
This extension requests 7 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://www.youtube.com/*
No additional information available.
Info
https://m.youtube.com/*
No additional information available.
Info
https://youtube.googleapis.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 24, 2026
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