SECURITY REPORT · EXTENSHI SCAN
YouTube Downloader (UDL Helper)
Firefox extension·by unidownloader.com
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
YouTube Downloader (UDL Helper)'s safety score vs every other extension we've scanned
Globally
76.43%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
66.43%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
80
median 38Lower is safer
Risky permissions
3
median 1Critical + high perms
Total permissions
3
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 80 distinct issues across 6 severities
80
distinct issues
detected
detected
Scanners reported 83 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High11%
Needs Review00%
Medium810%
Low6986%
Info23%
Permissions requested
3 risky permissions of 3 total
1 critical permission require attention
This extension requests 3 permissions in total. 3 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
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
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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