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.

Multiple SQL injection vulnerabilities in myColex 1.4.2 allow remote attackers to execute arbitrary SQL commands via (1) the formUser parameter (aka the Name field) to common/login.php, and allow remote authenticated users to execute arbitrary SQL commands via the ID parameter in a Detail action to (2) kategorie.php, (3) medium.php, (4) person.php, or (5) schlagwort.php in modules/, related to classes/class.perform.php.

modules/admuser.php in myColex 1.4.2 does not require administrative authentication, which allows remote authenticated users to list user accounts via a Find action.