CVE-2020-28129
Stored Cross-site scripting (XSS) vulnerability in SourceCodester Gym Management System 1.0 allows users to inject and store arbitrary JavaScript code in index.php?page=packages via vulnerable fields ‘Package Name’ and ‘Description’.
Date published : 2020-11-17
https://www.exploit-db.com/exploits/48941
https://www.sourcecodester.com/php/14541/gym-management-system-using-phpmysqli-source-code.html