Video Downloader ProSecurity Analysis

Chromev0.4.10MV3February 18, 2026 at 11:54 AM
Potentially unsafe

This extension shows concerning patterns that may indicate risky behavior. Proceed with caution.

7.3HIGH
7.3 HIGH

This extension shows significant risk signals. Review the findings below carefully before installing or continuing to use it.

Based on 13 permissions including high-risk ones, 41 code findings, 2 dangerous combinations.

Trust Signals(0.5/10)

Dangerous Combinations(2)

MEDIUMTab tracking API + external communication

Extension uses tab tracking APIs (onUpdated/query) and communicates with external servers — potential browsing surveillance.

tabs+tabs API usage + external network
CRITICALNetwork interception + external communication

Extension intercepts network traffic and sends data externally — potential man-in-the-middle behavior.

webRequest/webRequestBlocking+external network request
Permissions
7.5/10
Code
7.3/10
Combinations
10.0/10
Manifest/CSP
3.5/10

Permissions(13 analyzed)

Code Findings(16 patterns, 41 total)

Libraries(5 detected)

5 libraries detected

Content Security Policy

CSP Present(1 issue)
LOW
object-srcobject-src not restricted

object-src is not set to 'none'. Plugins like Flash can be embedded, which may allow code execution.

Manifest Analysis(2 findings)

Resolved from __MSG_* i18n placeholders:

Name: Video Downloader Pro

Description: Video Downloader Pro helps you download online videos in various formats, such as m3u8, mp4, webm, etc., to your computer.

MEDIUM
web_accessible_resources.matchesOverly broad match patterns

Web-accessible resources use <all_urls> or wildcard patterns, exposing resources to every website.

MEDIUM
content_scriptsContent script injected on all URLs

Content script matches <all_urls>, executing on every website the user visits.

External Domains(24)

api.twitter.comapi.vimeo.comcoub.comdai.lydailymotion.comembed.ted.comfast.wistia.comgithub.comjedwatson.github.iojquery.comjquery.orgjs.foundationloom.complayer.canalplus.frreactjs.orgsizzlejs.comsoundcloud.comted.comvdpchrome.comvidow.mewww.dailymotion.comwww.facebook.comwww.instagram.comwww.teachertube.com

Indicators of Compromise

10 indicators of compromise found

File Statistics

24
Total Files
13
JS Files
812.1 KB
Total Size

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