Vulnerabilities > CVE-2023-43797 - Unspecified vulnerability in Bigbluebutton
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
LOW Integrity impact
LOW Availability impact
NONE Summary
BigBlueButton is an open-source virtual classroom. Prior to versions 2.6.11 and 2.7.0-beta.3, Guest Lobby was vulnerable to cross-site scripting when users wait to enter the meeting due to inserting unsanitized messages to the element using unsafe innerHTML. Text sanitizing was added for lobby messages starting in versions 2.6.11 and 2.7.0-beta.3. There are no known workarounds.
Vulnerable Configurations
References
- https://github.com/bigbluebutton/bigbluebutton/commit/304bc851a00558f99a908880f4ac44234a074c9d
- https://github.com/bigbluebutton/bigbluebutton/commit/304bc851a00558f99a908880f4ac44234a074c9d
- https://github.com/bigbluebutton/bigbluebutton/pull/18392
- https://github.com/bigbluebutton/bigbluebutton/pull/18392
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6wg-q866-h73x
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6wg-q866-h73x