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    CVE-2022-27238

    BigBlueButton version 2.4.7 (or earlier) is vulnerable to stored Cross-Site Scripting (XSS) in the private chat functionality. A threat actor could inject JavaScript payload in his/her username. The payload gets executed in the browser of the victim each time the attacker sends a private message to the victim or when notification about the attacker leaving room is displayed.

    Published:Jun 24, 2022
    Last Modified:Nov 21, 2024
    EPS:Jun 24, 2022
    EPSS Score:0.00195
    CVSS Score:5.4

    Affected Products

    Vendor
    Bigbluebutton
    Product
    Bigbluebutton

    Exploits

    No exploit reference

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    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