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SECURITY REPORT · EXTENSHI SCAN

NoSub Helper | Crunchyroll: JP Audio Subtitle Off

Firefox extension·by Holy Loli
74
/ 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

NoSub Helper | Crunchyroll: JP Audio Subtitle Off's safety score vs every other extension we've scanned
Globally
21%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Language Support
13%of language support extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,529 language support extensions
Findings
20
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
4
median 3vs category median

Findings breakdown

Automated security signal · 20 distinct issues across 6 severities
20
distinct issues
detected

Permissions requested

3 risky permissions of 7 total
3 high-risk permissions require attention
This extension requests 7 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

High
Observe web requests

Can monitor all network requests made by the browser

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

Info
*://*.crunchyroll.com/*

No additional information available.

Info
*://*.crunchyrollcdn.com/*

No additional information available.

Info
*://beta-api.crunchyroll.com/*

No additional information available.

Info
*://cr-api.crunchyroll.com/*

No additional information available.

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Scan performed by extenshi.io · Aug 20, 2026
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