CVE-2022-27238

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    CVE-2022-27238

    Published: 24 Jun 2022Last Modified: 12 Aug 2026

    Summary:

    Details: 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.

    References: https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27238.json, https://nvd.nist.gov/vuln/detail/CVE-2022-27238

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v2.4.7
    v2.4.6
    v2.4.5
    v2.4.3
    v2.4.4
    v2.4.2
    v2.4.1
    v2.4.0

    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
    CVE-2022-27238 | CVE-DB