CVE-2023-38881: Improper Neutralization of Input During Web Page Generation

A reflected cross-site scripting XSS vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into any of the 'calendarid', 'schooldate', 'month' or 'year'...