Microsoft Internet Explorer 5.0, 5.01, and 5.5 allows remote attackers to monitor the contents of the clipboard via the getData method of the clipboardData object.
https://exchange.xforce.ibmcloud.com/vulnerabilities/7906
http://www.securityfocus.com/archive/1/250248
http://online.securityfocus.com/archive/1/250387/2002-10-11/2002-10-17/2