Vulnerability Report

CVE-2019-18893

Title: Video Downloader Project Video Downloader Cross-Site Scripting (XSS)

Cross-Site Scripting (XSS)

Proof Of Concept

No public PoC currently indexed for CVE-2019-18893.

CWE Category CWE-79
Published Date Jan 13, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.1 CVSS v3.1
Exploit Probability (EPSS)
0.41%

Vulnerability Summary

CVE-2019-18893: 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.

Impacted Vendors

V
videodownloaderultimate 1
V
video_downloader_project 1
A
avg 1
A
avast 1

Reference Links

https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/ https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-18893 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.