This indicates an attack attempt against a Cross Site Scripting vulnerability in Micro Focus GroupWise.
The vulnerability is caused by insufficient validation of user input to the target system. A remote attacker can exploit this vulnerability by sending a crafted HTTP request to a targeted server and execute arbitrary code in the security context of the target user's browser.
Micro Focus GroupWise 2014
Micro Focus GroupWise 2014 R2 SP1 and prior
System Compromise: Remote attackers can execute arbitrary script code within the context of the target user's browser.
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