extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Tubly - YouTube MP3/MP4/Shorts Downloader

Edge extension·by YTB Downloader
52
/ 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

Tubly - YouTube MP3/MP4/Shorts Downloader's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 383,712 extensions
In Entertainment
2%of entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,236 entertainment extensions
Findings
95
median 12Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
11
median 0Declared in manifest
Active users
75113
median 55vs category median

Findings breakdown

Automated security signal · 95 distinct issues across 6 severities
95
distinct issues
detected
Scanners reported 98 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 11 total
3 high-risk permissions require attention
This extension requests 11 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
Manage downloads

Can initiate downloads and access your download history

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

Medium
Open downloaded files

Can open files that have been downloaded

Medium
Access user identity

Can get OAuth2 tokens and access your Google account identity

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Low
Schedule tasks

Can schedule periodic background tasks

Low
Modify downloads UI

Can customize the downloads shelf appearance

Low
Create offscreen documents

Can create hidden documents for background processing tasks

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Scan performed by extenshi.io · Aug 20, 2026
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