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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2023-43797

BigBlueButton Stored Cross-site Scripting vulnerability at Guest Lobby

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

bigbluebutton bigbluebutton

  • < 2.6.11affected
  • >= 2.7.0-alpha.1, < 2.7.0-beta.3affected

References