This indicates an attack attempt to exploit a Cross-Site Scripting Vulnerability in OpenEMR.
The vulnerability is due to insufficient sanitization of patients' first and last names in new_comprehensive_save.php. A remote, authenticated attacker can exploit this vulnerability by sending crafted requests to the target server. Successful exploitation of this vulnerability could result in arbitrary script execution in the target user's browser.
OpenEMR prior to 18.104.22.168
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.