The Better Messages – Live Chat for WordPress, BuddyPress, PeepSo, Ultimate Member, BuddyBoss plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.6.9 via the 'bp-better-messages' directory. This makes it possible for unauthenticated attackers to extract sensitive data stored insecurely in the /wp-content/uploads/bp-better-messages directory which can contain file attachments included in chat messages.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.