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SECURITY REPORT · EXTENSHI SCAN

Shiberu

Firefox extension·by Shiberu
77
/ 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

Shiberu's safety score vs every other extension we've scanned
Globally
32%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,581 extensions
In Language Support
21%of language support extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,491 language support extensions
Findings
93
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
12
median 3Declared in manifest
Active users
1
median 3vs category median

Findings breakdown

Automated security signal · 93 distinct issues across 6 severities
93
distinct issues
detected
Scanners reported 113 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

1 risky permission of 12 total
1 high-risk permission require attention
This extension requests 12 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
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

Medium
Add context menu items

Can add custom items to the right-click context menu

Low
Schedule tasks

Can schedule periodic background tasks

Info
https://shiberu.app/*

No additional information available.

Info
*://www.bilibili.com/*

No additional information available.

Info
*://www.bilibili.tv/*

No additional information available.

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

No additional information available.

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Scan performed by extenshi.io · Aug 24, 2026
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