Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 4.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) file names to apps/user_ldap/settings.php; (2) url or (3) title parameter to apps/bookmarks/ajax/editBookmark.php; (4) tag or (5) page parameter to apps/bookmarks/ajax/updateList.php; (6) identity to apps/user_openid/settings.php; (7) stack name in apps/gallery/lib/tiles.php; (8) root parameter to apps/gallery/templates/index.php; (9) calendar displayname in apps/calendar/templates/part.import.php; (10) calendar uri in apps/calendar/templates/part.choosecalendar.rowfields.php; (11) title, (12) location, or (13) description parameter in apps/calendar/lib/object.php; (14) certain vectors in core/js/multiselect.js; or (15) artist, (16) album, or (17) title comments parameter in apps/media/lib_scanner.php.