The Quick Event Manager WordPress Plugin, version < 9.7.5, is affected by a reflected cross-site scripting vulnerability in the ‘category’ parameter of its ‘qem_ajax_calendar’ action.
View the template here CVE-2023-23491.yaml
References:
https://wpscan.com/vulnerability/49178a9d-0500-4e3e-8ea1-6cd4eeda2a4e