Multiple cross-site scripting (XSS) vulnerabilities in myColex 1.4.2 allow remote attackers to inject arbitrary web script or HTML via (1) the year parameter to modules/kalender.php, (2) the Page parameter in a List action to modules/ereignis.php, (3) the Kontext parameter in a Search action to modules/kategorie.php, or (4) the image parameter to modules/image.php.