School App developed by Zyosoft has an Insecure Direct Object Reference vulnerability, allowing authenticated remote attackers to modify a specific parameter to read and modify other users' data.Referenceshttps://www.twcert.org.tw/tw/cp-132-10896-e3240-1.htmlhttps://www.twcert.org.tw/en/cp-139-10897-64257-2.html