Persistent cross-site scripting (XSS) in the web application of MOD3GP-SY-120K allows an authenticated remote attacker to introduce arbitrary JavaScript by injecting an XSS payload into the field MAIL_RCV. When a legitimate user attempts to access to the vulnerable page of the web application, the XSS payload will be executed.
https://www.cisa.gov/news-events/ics-advisories/icsa-23-250-03