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SECURITY REPORT · EXTENSHI SCAN

NoVideoLengthSpoiler

Firefox extension·by ArnoNym
75
/ 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

NoVideoLengthSpoiler's safety score vs every other extension we've scanned
Globally
25%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,581 extensions
In Games Entertainment
8%of games entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 9,480 games entertainment extensions
Findings
17
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
1
median 4vs category median

Findings breakdown

Automated security signal · 17 distinct issues across 6 severities
17
distinct issues
detected

Permissions requested

1 risky permission of 3 total
1 critical permission require attention
This extension requests 3 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

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Scan performed by extenshi.io · Aug 20, 2026
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