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SECURITY REPORT · EXTENSHI SCAN

Nyaa Utility

Firefox extension·by Arjix
76
/ 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

Nyaa Utility's safety score vs every other extension we've scanned
Globally
26%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,225 extensions
In Alerts & Updates
10%of alerts & updates extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 7,077 alerts & updates extensions
Findings
30
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
85
median 1vs category median

Findings breakdown

Automated security signal · 30 distinct issues across 6 severities
30
distinct issues
detected
Scanners reported 38 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

8 permissions declared
No risky permissions
8 permissions requested — none are flagged as risky.
Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Show notifications

Can display desktop notifications outside the browser

Low
Run in background

Can run scripts in the background when not actively in use

Info
https://nyaa.si/*

No additional information available.

Info
https://sukebei.nyaa.si/*

No additional information available.

Info
https://meowinjapanese.cf/*

No additional information available.

Info
https://sukebei.meowinjapanese.cf/*

No additional information available.

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Scan performed by extenshi.io · Aug 20, 2026
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