This indicates an attempt to exploit a Cross-Site Scripting vulnerability in Cacti Group Cacti prior to 1.1.18
The vulnerability is due to insufficient sanitization of user supplied inputs in the application when handling a crafted HTTP request. A remote attacker may be able to exploit this to execute arbitrary script code within the context of the application, via a crafted request.
Cacti Group Cacti prior to 1.1.18
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.