CVE-2022-26497

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    CVE-2022-26497

    Published: 2 Jun 2022Last Modified: 20 Oct 2026

    Summary:

    Details: BigBlueButton Greenlight 2.11.1 allows XSS. A threat actor could have a username containing a JavaScript payload. The payload gets executed in the browser of the victim in the "Share room access" dialog if the victim has shared access to the particular room with the attacker previously.

    References: http://packetstormsecurity.com/files/172143/Shannon-Baseband-acfg-pcfg-SDP-Attribute-Memory-Corruption.html, https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352, https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/26xxx/CVE-2022-26497.json, https://nvd.nist.gov/vuln/detail/CVE-2022-26497

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 37a66dcc1ef3750f45ddd2427b714ffd69d3fd1b
    Fixed -None

    Affected versions

    2.11.1

    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-2022-26497 | CVE-DB