Multiple directory traversal vulnerabilities in Mercur Messaging 2005 SP2 allow remote attackers to perform unauthorized file operations via the Folder.Id parameter to (1) deletefolder.ctml, (2) deletemessage.ctml, (3) origmessage.ctml, or (4) readmessage.ctml, the Message.Id parameter to editmessage.ctml, or the (5) Message.Command parameter to messages.ctml.