CVE-2022-23488

BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6 are vulnerable to Insertion of Sensitive Information Into Sent Data. The moderators-only webcams lock setting is not enforced on the backend, which allows an attacker to subscribe to viewers' webcams, even when the lock setting is applied. (The required streamId was being sent to all users even with lock setting applied). This issue is fixed in version 2.4-rc-6. There are no workarounds.

• CWE-200
• CWE-201
• CWE-863

• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6Release Notes, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-j5g3-f74q-rvfqPatch, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6Release Notes, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-j5g3-f74q-rvfqPatch, Third Party Advisory

Published

Dec 17, 2022

Last Modified

Jun 17, 2026

Status

Modified

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