CVE Feed

    Dashboard / CVE / CVE-2022-31064

    CVE-2022-31064

    BigBlueButton is an open source web conferencing system. Users in meetings with private chat enabled are vulnerable to a cross site scripting attack in affected versions. The attack occurs when the attacker (with xss in the name) starts a chat. in the victim's client the JavaScript will be executed. This issue has been addressed in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.

    Published:Jun 27, 2022
    Last Modified:Apr 22, 2025
    EPS:Jun 27, 2022
    EPSS Score:0.00739
    CVSS Score:6.5

    Affected Products

    Vendor
    Bigbluebutton
    Product
    Bigbluebutton

    Exploits

    http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.htmlhttp://seclists.org/fulldisclosure/2022/Jun/52https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.htmlhttp://seclists.org/fulldisclosure/2022/Jun/52https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/

    Related CVEs

    CVE-2026-55489 (CVSS 4.9) — BigBlueButton is an open-source virtual classroom. Prior to 3.0.29, BigBlueButton presenters could submit a pr…
    CVE-2026-55491 (CVSS 5.4) — BigBlueButton is an open-source virtual classroom. Prior to 3.0.29, BigBlueButton failed to escape meetingName…
    CVE-2026-46355 (CVSS 7.1) — BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, BigBlueButton exposed /bigbluebutton/api/h…
    CVE-2026-46682 (CVSS 8.5) — BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, BigBlueButton allowed authenticated modera…
    CVE-2026-46353 (CVSS 8.1) — BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web checksum validation could be bypas…
    CVE-2026-46404 (CVSS 6.8) — BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, the presentation URL validation did not pr…
    CVE-2026-46351 (CVSS 8.1) — BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web generated conference sessionToken …
    CVE-2026-27737 (CVSS 6.5) — BigBlueButton is an open-source virtual classroom. In versions prior to 3.0.19, the recording playback (presen…
    CVE-2026-41127 (CVSS 6.5) — BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that …
    CVE-2026-41126 (CVSS 4.3) — BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigb…

    References

    http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html
    http://seclists.org/fulldisclosure/2022/Jun/52
    https://github.com/bigbluebutton/bigbluebutton/pull/15067
    https://github.com/bigbluebutton/bigbluebutton/pull/15090
    https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87
    https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/
    http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html
    http://seclists.org/fulldisclosure/2022/Jun/52
    https://github.com/bigbluebutton/bigbluebutton/pull/15067
    https://github.com/bigbluebutton/bigbluebutton/pull/15090
    https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87
    https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/

    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