Feripro <= v2.2.3 is vulnerable to Cross Site Scripting (XSS) via "/admin/programm/<program_id>/zuordnung/veranstaltungen/<event_id>" through the "school" input field.
An Incorrect Access Control vulnerability in "/admin/programm/<program_id>/export/statistics" in Feripro <= v2.2.3 allows remote attackers to export an XLSX file with information about registrations and participants.
An Incorrect Access Control vulnerability in "/admin/benutzer/institution/rechteverwaltung/uebersicht" in Feripro <= v2.2.3 allows remote attackers to get a list of all users and their corresponding privileges.