Cross-site scripting vulnerabilities in MyHelpDesk 20020509, and possibly other versions, allows remote attackers to execute script as other users via a (1) Title or (2) Description when a new ticket is created by a support assistant, via the "id" parameter to the index.php script with the (3) tickettime, (4) ticketfiles, or (5) updateticketlog operations, or (6) via the update section when a ticket is edited.
