Unspecified vulnerability in IBM WebSphere Application Server 5.0.2 and earlier, and 5.1.1 and earlier, has unknown impact and attack vectors related to "Inserting certain script tags in urls [that] may allow unintended execution of scripts."
http://www.vupen.com/english/advisories/2006/2552
http://www.vupen.com/english/advisories/2006/1736
http://www-1.ibm.com/support/search.wss?rs=0&q=PK15571&apar=only
http://www-1.ibm.com/support/docview.wss?rs=180&uid=swg27006881
http://www-1.ibm.com/support/docview.wss?rs=180&uid=swg27006879
http://securityreason.com/securityalert/910
http://secunia.com/advisories/20032
http://archives.neohapsis.com/archives/bugtraq/2006-05/0175.html