source: https://www.securityfocus.com/bid/13794/info

BEA WebLogic Server And WebLogic Express are affected by a cross-site scripting vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input to the error page.

A successful attack may facilitate the theft of cookie-based authentication credentials as well as other attacks.

This issue was originally released as part of BID 13717 (BEA WebLogic Server and WebLogic Express Multiple Remote Vulnerabilities). Due to the availability of more information, this vulnerability is being assigned a new BID. 

http://www.example.com:7001/console/a?=<script>alert(document.cookie)</script>