Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.13 (aka Sunglow) allow remote attackers to inject arbitrary web script or HTML via unspecified vectors in the (1) com_search, (2) com_content, and (3) mod_login components. NOTE: some of these details are obtained from third party information.
http://www.vupen.com/english/advisories/2007/2719