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SECURITY REPORT · EXTENSHI SCAN

Furigana Reader — Japanese Reading Helper

Firefox extension·by App Pass
84
/ 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

Furigana Reader — Japanese Reading Helper's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 421,602 extensions
In Language Support
40%of language support extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,595 language support extensions
Findings
10
median 10Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 3vs category median

Findings breakdown

Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected

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 HTTP sites

Can read and modify content on all non-encrypted websites

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

Medium
Store local data

Can save data locally in the browser for persistence

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 · Oct 23, 2026
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