Cross-site scripting (XSS) vulnerability in mod_search/index.php in PortailPHP 0.99 allows remote attackers to inject arbitrary web script or HTML via the (1) $App_Theme, (2) $Rub_Search, (3) $Rub_News, (4) $Rub_File, (5) $Rub_Liens, or (6) $Rub_Faq variables.