Cross-site scripting vulnerability AOL Instant Messenger (AIM) 4.5 and 4.7 for MacOS and Windows allows remote attackers to conduct unauthorized activities, such as adding buddies and groups to a user's buddy list, via a URL with a META HTTP-EQUIV="refresh" tag to an aim: URL.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-2148
http://www.securityfocus.com/bid/5246
http://www.mindflip.org/aim.html