Cross-site scripting (XSS) vulnerability in Apache OpenMeetings before 3.1.1 allows remote attackers to inject arbitrary web script or HTML via the event description when creating an event.
https://github.com/advisories/GHSA-gw38-mxr2-rm8r
https://www.apache.org/dist/openmeetings/3.1.1/CHANGELOG
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-4021
http://www.securityfocus.com/archive/1/537888/100/0/threaded
http://packetstormsecurity.com/files/136433/Apache-OpenMeetings-3.0.7-Cross-Site-Scripting.html