This vulnerability allows remote attackers to execute arbitrary code on affected installations of ManageEngine Applications Manager. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the SingleSignOn page. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.