Multiple cross-site scripting (XSS) vulnerabilities in XWork in Apache Struts 2.x before 2.2.3, and OpenSymphony XWork in OpenSymphony WebWork, allow remote attackers to inject arbitrary web script or HTML via vectors involving (1) an action name, (2) the action attribute of an s:submit element, or (3) the method attribute of an s:submit element.
jvn.jp/en/jp/JVN25435092/index.html
jvndb.jvn.jp/jvndb/JVNDB-2011-000106
secureappdev.blogspot.com/2011/05/apache-struts-2-xwork-webwork-reflected.html
secureappdev.blogspot.com/2011/05/Struts_2_XWork_WebWork_XSS_in_error_pages.html
struts.apache.org/2.2.3/docs/version-notes-223.html
struts.apache.org/2.x/docs/s2-006.html
www.securityfocus.com/bid/47784
www.ventuneac.net/security-advisories/MVSA-11-006
www.vupen.com/english/advisories/2011/1198
issues.apache.org/jira/browse/WW-3579