SECURITY REPORT · EXTENSHI SCAN
YouTube Download Injector
Firefox extension·by anpa26
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 Download Injector's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Download Management
11%of download management extensions carry more risk
Riskier ←→ Safer
Ranked against 4,307 download management extensions
Findings
36
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
8
median 4Declared in manifest
Active users
6
median 9vs category median
Findings breakdown
Automated security signal · 36 distinct issues across 6 severities
36
distinct issues
detected
detected
Scanners reported 72 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High26%
Needs Review00%
Medium2467%
Low925%
Info13%
Permissions requested
2 risky permissions of 8 total
2 high-risk permissions require attention
This extension requests 8 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
Manage downloads
Can initiate downloads and access your download history
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
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Low
Create offscreen documents
Can create hidden documents for background processing tasks
Info
https://youtube.com/*
No additional information available.
Info
https://*.youtube.com/*
No additional information available.
Are you the author of YouTube Download Injector?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show YouTube Download Injector's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 25, 2026
Browser extensions made transparent.