SECURITY REPORT · EXTENSHI SCAN
Video Customizer Plus
Firefox extension·by Mostplay
85
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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 Customizer Plus's safety score vs every other extension we've scanned
Globally
44%of extensions carry more risk
Riskier ←→ Safer
Ranked against 421,529 extensions
In Photos Music Videos
35%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 11,308 photos music videos extensions
Findings
66
median 7Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
1
median 6vs category median
Findings breakdown
Automated security signal · 66 distinct issues across 6 severities
66
distinct issues
detected
detected
Critical12%
High00%
Needs Review00%
Medium6395%
Low12%
Info12%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://*.youtube.com/*
No additional information available.
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Scan performed by extenshi.io · Oct 22, 2026
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