Multiple cross-site scripting (XSS) vulnerabilities in Mambo Site Server 4.0.12 BETA and earlier allow remote attackers to execute script on other clients via (1) the link parameter in sectionswindow.php the directory parameter in (2) gallery.php (3) navigation.php or (4) uploadimage.php the path parameter in (5) view.php (6) the choice parameter in upload.php (7) the sitename parameter in mambosimple.php (8) the type parameter in upload.php or the id parameter in (9) emailarticle.php (10) emailfaq.php or (11) emailnews.php.