The LearnPress WordPress plugin before 4.4.1 does not escape a search parameter before reflecting it into an HTML attribute, leading to Reflected Cross-Site Scripting that executes in the browser of a logged-in instructor or administrator who is tricked into opening a crafted link.
https://wpscan.com/vulnerability/d0a2780f-ab13-4bb8-935d-2aeba1de12d2/