Multiple cross-site scripting (XSS) vulnerabilities in F@cile Interactive Web 0.8.5 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) lang parameter in index.php, and the (2) mytheme and (3) myskin parameters in multiple "p-themes" index.inc.php files including (c) lowgraphic, (d) classic, (e) puzzle, (f) simple, and (g) ciao.  NOTE: vectors 2 and 3 might be resultant from file inclusion issues.