CVE-2019-18893
Medium
Description
XSS in the Video Downloader component before 1.5 of Avast Secure Browser 77.1.1831.91 and AVG Secure Browser 77.0.1790.77 allows websites to execute their code in the context of this component. While Video Downloader is technically a browser extension, it is granted a very wide set of privileges and can for example access cookies and browsing history, spy on the user while they are surfing the web, and alter their surfing experience in almost arbitrary ways.
SeverityMedium
CVSS6.1
Exploit probability—
ProductAvast Secure Browser
PublishedJan 13, 2020
First seenJan 13, 2020
How to fix
Update
- video_downloader_project video_downloader1.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| avast secure_browser | 77.1.1831.91 | — |
| avg secure_browser | 77.0.1790.77 | — |
| video_downloader_project video_downloader | v < 1.5 | 1.5 |
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