SECURITY REPORT · EXTENSHI SCAN
Substack Video Downloader - Download Substack Videos & Audios
Chrome extension·by Neo Cortex
0
/ 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
Substack Video Downloader - Download Substack Videos & Audios's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 368,615 extensions
In Productivity
29%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,125 productivity extensions
Findings
72
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
1000
median 14vs category median
Findings breakdown
Automated security signal · 72 distinct issues across 6 severities
72
distinct issues
detected
detected
Critical11%
High11%
Needs Review00%
Medium5576%
Low1521%
Info00%
Permissions requested
1 risky permission of 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
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
Access user identity
Can get OAuth2 tokens and access your Google account identity
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Scan performed by extenshi.io · Aug 1, 2026
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