SECURITY REPORT · EXTENSHI SCAN
YDownloadNow – VYDownloadNow ideo Downloader & MP3
Firefox extension·by Alan
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
YDownloadNow – VYDownloadNow ideo Downloader & MP3's safety score vs every other extension we've scanned
Globally
6%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Download Management
3%of download management extensions carry more risk
Riskier ←→ Safer
Ranked against 4,307 download management extensions
Findings
73
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
35
median 4Declared in manifest
Active users
65
median 9vs category median
Findings breakdown
Automated security signal · 73 distinct issues across 6 severities
73
distinct issues
detected
detected
Scanners reported 78 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical11%
High57%
Needs Review00%
Medium5778%
Low1014%
Info00%
Permissions requested
5 risky permissions of 35 total
1 critical permission require attention
This extension requests 35 permissions in total. 5 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
High
View open tabs
Can see URLs and titles of all open tabs
High
Observe web requests
Can monitor all network requests made by the browser
High
Manage downloads
Can initiate downloads and access your download history
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Open downloaded files
Can open files that have been downloaded
Low
Schedule tasks
Can schedule periodic background tasks
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Info
*://*.youtube.com/*
No additional information available.
Info
*://*.youtube-nocookie.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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