This indicates an attack attempt to exploit a Cross-Site Scripting Vulnerability in OpenEMR.
A remote attacker can exploit this vulnerability by enticing a target user into clicking a malicious link. Successful exploitation could result in the execution of script code in security context of the target user's browser.
OpenEMR Prior to 5.0.2
System Compromise: Remote attackers can execute arbitrary script code within the context of the target user's browser.
Apply the most recent upgrade or patch from the vendor.