The BuddyPress plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 14.1.0 via the id parameter. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform actions on files outside of the originally intended directory and enables file uploads to directories outside of the web root. Depending on server configuration it may be possible to upload files with double extensions.

In BuddyPress before 5.1.2, requests to a certain REST API endpoint can result in private user data getting exposed. Authentication is not needed. This has been patched in version 5.1.2.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ElbowRobo Mass Messaging in BuddyPress mass-messaging-in-buddypress allows Reflected XSS.This issue affects Mass Messaging in BuddyPress: from n/a through <= 2.2.1.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in The BuddyPress Community BuddyPress allows Stored XSS.This issue affects BuddyPress: from n/a through 11.3.1.

The BuddyPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘username’ parameter in versions up to, and including, 12.4.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The BuddyPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘displayname’ parameter in versions up to, and including, 12.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.