Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 6.0.2 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

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.

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.

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.

Session fixation vulnerability in ownCloud before 6.0.2, when PHP is configured to accept session parameters through a GET request, allows remote attackers to hijack web sessions via unspecified vectors.

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.

Incomplete blacklist vulnerability in ownCloud before 5.0.6 allows remote authenticated users to execute arbitrary PHP code by uploading a crafted file, then accessing it via a direct request to the file in /data.

Directory traversal vulnerability in apps/files_trashbin/index.php in ownCloud Server before 5.0.6 allows remote authenticated users to access arbitrary files via a .. (dot dot) in the dir parameter.

ownCloud before 5.0.6 does not properly check permissions, which allows remote authenticated users to execute arbitrary API commands via unspecified vectors. NOTE: this can be leveraged using CSRF to allow remote attackers to execute arbitrary API commands.

The login page (aka index.php) in ownCloud before 5.0.6 does not disable the autocomplete setting for the password parameter, which makes it easier for physically proximate attackers to guess the password.

Open redirect vulnerability in the Login Page (index.php) in ownCloud before 5.0.6 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the redirect_url parameter.

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 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.

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.

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.

The contacts application in ownCloud before 4.5.10 and 5.x before 5.0.5 does not properly check the ownership of contacts, which allows remote authenticated users to download arbitrary contacts via unspecified vectors.

The HTML\Browser plugin in SabreDAV before 1.6.9, 1.7.x before 1.7.7, and 1.8.x before 1.8.5, as used in ownCloud, when running on Windows, does not properly check path separators in the base path, which allows remote attackers to read arbitrary files via a \ (backslash) character.

Incomplete blacklist vulnerability in lib/migrate.php in ownCloud before 4.0.13 and 4.5.x before 4.5.8, when the user_migrate application is enabled, allows remote authenticated users to import arbitrary files to the user's account via unspecified vectors.

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.

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.