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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.
Cite this page
CVE-2022-23488. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-23488
Use CWE-200, Bigbluebutton vendor hub and Bigbluebutton product page to widen CVE-2022-23488 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-61602, CVE-2025-61601 and CVE-2026-27466 for nearby disclosures in the same product family.