This indicates an attack attempt to exploit a Cross-Site Scripting vulnerability in HP System Management.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted http request. An attacker can exploit this by tricking an unsuspecting user into visiting a malicious request and execute arbitrary script code within the context of the users browser, via a crafted HTTP request.
HP System Management Homepage (SMH) prior to 7.3.3
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