This indicates an attack attempt against a Cross Site Scripting vulnerability in Novell eDirectory.
The vulnerability is due to insufficient validation of user supplied data in the application. A remote attacker can exploit this to execute arbitrary script code within context of the user browser.
Novell eDirectory prior to 8.8 SP8 patch 4
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