SECURITY REPORT · EXTENSHI SCAN
よむ
Firefox extension·by Henry Russell
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
よむ's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Language Support
1%of language support extensions carry more risk
Riskier ←→ Safer
Ranked against 4,113 language support extensions
Findings
106
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
2
median 3vs category median
Findings breakdown
Automated security signal · 106 distinct issues across 6 severities
106
distinct issues
detected
detected
Scanners reported 115 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical11%
High1615%
Needs Review00%
Medium6258%
Low2524%
Info22%
Permissions requested
1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Custom menus
Can add custom items to the browser context menu
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://*/*
No additional information available.
Info
file:///*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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