Multiple cross-site scripting (XSS) vulnerabilities in myGesuad 0.9.14 (aka 0.9) allow remote attackers to inject arbitrary web script or HTML via (1) the Page parameter in a List action to modules/ereignis.php, (2) the Kontext parameter in a Search action to modules/kategorie.php, (3) the image parameter to modules/image.php, or (4) the ID parameter in a Detail action to modules/sitzung.php.