CVE-2022-23490

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.0 expose sensitive information to Unauthorized Actors. This issue affects meetings with polls, where the attacker is a meeting participant. Subscribing to the current-poll collection does not update the client UI, but does give the attacker access to the contents of the collection, which include the individual poll responses. This issue is patched in version 2.4.0. There are no workarounds.

• CWE-200
• CWE-863
• CWE-863

• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0Release Notes, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-4qgc-xhw5-6qfgPatch, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0Release Notes, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-4qgc-xhw5-6qfgPatch, Third Party Advisory

Published

Dec 16, 2022

Last Modified

Jun 17, 2026

Status

Modified

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