Multiple cross-site request forgery (CSRF) vulnerabilities in ownCloud before 4.0.12 and 4.5.x before 4.5.7 allow remote attackers to hijack the authentication of users for requests that (1) change the timezone for the user via the lat and lng parameters to apps/calendar/ajax/settings/guesstimezone.php, (2) disable or enable the automatic timezone detection via the timezonedetection parameter to apps/calendar/ajax/settings/timezonedetection.php, (3) import user accounts via the admin_export parameter to apps/admin_migrate/settings.php, (4) overwrite user files via the operation parameter to apps/user_migrate/ajax/export.php, or (5) change the authentication server URL via unspecified vectors to apps/user_ldap/settings.php.
Multiple cross-site request forgery (CSRF) vulnerabilities in ownCloud 4.5.x before 4.5.7 allow remote attackers to hijack the authentication of users for requests that (1) change the default view via the v parameter to apps/calendar/ajax/changeview.php, mount arbitrary (2) Google Drive or (3) Dropbox folders via vectors related to addRootCertificate.php, dropbox.php and google.php in apps/files_external/ajax/, or (4) change the authentication server URL via unspecified vectors to apps/user_webdavauth/settings.php.
Directory traversal vulnerability in lib/files/view.php in ownCloud before 4.0.15, 4.5.x 4.5.11, and 5.x before 5.0.6 allows remote authenticated users to access arbitrary files via unspecified vectors.
Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 4.0.15, 4.5.x before 4.5.11, and 5.0.x before 5.0.6 allow remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 4.0.15, 4.5.x before 4.5.11, and 5.0.x before 5.0.6 allow remote authenticated users to inject arbitrary web script or HTML via the url parameter to (1) apps/bookmarks/ajax/addBookmark.php or (2) apps/bookmarks/ajax/editBookmark.php.
apps/calendar/ajax/events.php in ownCloud before 4.5.11 and 5.x before 5.0.6 does not properly check the ownership of a calendar, which allows remote authenticated users to download arbitrary calendars via the calendar_id parameter.
Multiple cross-site scripting (XSS) vulnerabilities in js/viewer.js in ownCloud before 4.5.12 and 5.x before 5.0.7 allow remote attackers to inject arbitrary web script or HTML via vectors related to shared files.
The default Flash Cross Domain policies in ownCloud before 5.0.15 and 6.x before 6.0.2 allows remote attackers to access user files via unspecified vectors.
Multiple cross-site scripting (XSS) vulnerabilities in ownCloud 4.5.x before 4.5.8 allow remote authenticated users with administrator privileges to inject arbitrary web script or HTML via the (1) quota parameter to /core/settings/ajax/setquota.php, or remote authenticated users with group admin privileges to inject arbitrary web script or HTML via the (2) group field to settings.php or (3) "share with" field.
Multiple incomplete blacklist vulnerabilities in (1) import.php and (2) ajax/uploadimport.php in apps/contacts/ in ownCloud before 4.0.13 and 4.5.x before 4.5.8 allow remote authenticated users to execute arbitrary PHP code by uploading a .htaccess file.