This indicates an attack attempt to exploit a Cross-Site Scripting vulnerability in Joomla! VirtueMart Extension.
The vulnerability is a result of the application's failure to properly sanitize user supplied input. A remote attacker may be able to exploit this to execute arbitrary script code within the context of the application. This vulnerability was discovered by Fortinet FortiGuard Labs.
VirtueMart Extension version 184.108.40.206
System Compromise: Remote attackers can execute arbitrary script code in the context of the affected site.
Apply the latest update from the vendor.