EBay users have been tricked and are being tricked into giving up personal info or billed inappropriately by hackers. "Cross-site scripting (XSS)" is the hacking technique of choice here.
"Users clicking on eBay listings that appeared
legitimate were being automatically re-directed to harmful websites
designed to steal user information, including credit card details." This has been happening either since Feb. or possibly for a year. Outside sources are pressuring EBay to combat the hacking. Seems like EBay should also determine the breadth and depth of the hacking that has occurred. Read more about it here http://www.bbc.com/news/technology-29310042