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    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.

    Published:Jan 13, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 13, 2020
    EPSS Score:0.0033
    CVSS Score:6.1

    Affected Products

    Vendor
    Avast
    Product
    Secure Browser
    Vendor
    Avg
    Product
    Secure Browser
    Vendor
    Video Downloader Project
    Product
    Video Downloader

    Exploits

    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/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High