Multiple cross-site scripting (XSS) vulnerabilities in Horde Application Framework 3.2 before 3.2.5 and 3.3 before 3.3.5; Groupware 1.1 before 1.1.6 and 1.2 before 1.2.4; and Groupware Webmail Edition 1.1 before 1.1.6 and 1.2 before 1.2.4; allow remote attackers to inject arbitrary web script or HTML via the (1) crafted number preferences that are not properly handled in the preference system (services/prefs.php), as demonstrated by the sidebar_width parameter; or (2) crafted unknown MIME "text parts" that are not properly handled in the MIME viewer library (config/mime_drivers.php).

Directory traversal vulnerability in framework/Image/Image.php in Horde before 3.2.4 and 3.3.3 and Horde Groupware before 1.1.5 allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the Horde_Image driver name.