Provide references for CVE-2021-29055.
Where can I find more information about CVE-2021-29055?
References are available at: https://packetstormsecurity.com/files/161394/School-File-Management-System-1.0-Cross-Site-Scripting.html, https://www.sourcecodester.com/php/14155/school-file-management-system.html.