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The BuddyBoss App plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.2.1 via the send_feedback function. This is due to insufficient file type validation that relies solely on the client-supplied Content-Type header without server-side content inspection or extension validation. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload files that may be executable, which makes remote code execution possible. While uploaded files are deleted after email transmission, a race condition exists during SMTP execution that allows access to the file, and files persist indefinitely when wp_mail() fails.

• https://www.wordfence.com/threat-intel/vulnerabilities/id/56a1219c-1163-4867-b426-7ffe9ca5dcb5?source=cve
• https://buddyboss.com/resources/buddyboss-app-plugin-releases/3-2-2/