extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Booru Slideshow

Firefox extension·by Chirmaya Nashaar
85
/ 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

Booru Slideshow's safety score vs every other extension we've scanned
Globally
53%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,238 extensions
In Games Entertainment
25%of games entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 9,592 games entertainment extensions
Findings
63
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
1535
median 4vs category median

Findings breakdown

Automated security signal · 63 distinct issues across 6 severities
63
distinct issues
detected

Permissions requested

2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Observe web requests

Can monitor all network requests made by the browser

High
Manage downloads

Can initiate downloads and access your download history

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
Block requests with host access

Can block or redirect network requests and requires host permissions

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Scan performed by extenshi.io · Oct 18, 2026
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