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SECURITY REPORT · EXTENSHI SCAN

Video Speed Controller

Firefox extension·by Igrigorik
66
/ 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

Video Speed Controller's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Games Entertainment
3%of games entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 9,537 games entertainment extensions
Findings
33
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
892
median 4vs category median

Findings breakdown

Automated security signal · 33 distinct issues across 6 severities
33
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
Access all HTTP sites

Can read and modify content on all non-encrypted websites

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

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

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Info
file:///*

No additional information available.

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Scan performed by extenshi.io · Jul 26, 2026
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