Multiple cross-site scripting (XSS) vulnerabilities in Joomla! 1.6.3 and earlier allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.Referenceshttp://developer.joomla.org/security/news/349-20110601-xss-vulnerabilities.htmlhttp://seclists.org/fulldisclosure/2011/Nov/142http://www.mavitunasecurity.com/xss-vulnerability-in-joomla-163/http://www.openwall.com/lists/oss-security/2011/11/21/29