The WOLF WordPress plugin before 1.1.0 does not perform a nonce or capability check on one of its AJAX actions, allowing an unauthenticated attacker to trick a logged-in administrator into writing arbitrary content, including a malicious script, into a post via a cross-site request, resulting in stored Cross-Site Scripting.
https://wpscan.com/vulnerability/ba3b8f4a-772f-42ad-9c67-5623406118c1/