Multiple cross-site scripting (XSS) vulnerabilities in ownCloud Server before 5.0.1 allow remote attackers to inject arbitrary web script or HTML via the (1) new_name parameter to apps/bookmarks/ajax/renameTag.php or (2) multiple unspecified parameters to unknown files in apps/contacts/ajax/.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.