CVE-2022-31065

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    CVE-2022-31065

    Published: 27 Jun 2022Last Modified: 12 Aug 2026

    Summary: Cross site scripting vulnerability for private chat in bigbluebutton

    Details: BigBlueButton is an open source web conferencing system. In affected versions an attacker can embed malicious JS in their username and have it executed on the victim's client. When a user receives a private chat from the attacker (whose username contains malicious JavaScript), the script gets executed. Additionally when the victim receives a notification that the attacker has left the session. This issue has been patched in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31065.json, https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-8m2p-7qv3-qff7, https://nvd.nist.gov/vuln/detail/CVE-2022-31065, https://github.com/bigbluebutton/bigbluebutton/pull/15087, https://github.com/bigbluebutton/bigbluebutton/pull/15090

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 72d5e54e3eb3cd442d23dc097158fe81f1efda82
    Fixed -e2a2fdc5500192c603ae888a67dca0affdf00d7c

    Affected versions

    2.3.0

    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-2022-31065 | CVE-DB