Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when running on Windows, allows remote authenticated users to bypass intended access restrictions, upload files with arbitrary names, and execute arbitrary code via an Alternate Data Stream (ADS) syntax in the filename parameter, as demonstrated using .htaccess::$DATA to upload a PHP program.

ownCloud Server before 4.5.7 does not properly check ownership of calendars, which allows remote authenticated users to read arbitrary calendars via the calid parameter to /apps/calendar/export.php. NOTE: this issue has been reported as a cross-site request forgery (CSRF) vulnerability, but due to lack of details, it is uncertain what the root cause is.

settings/personal.php in ownCloud 4.5.x before 4.5.6 allows remote authenticated users to execute arbitrary PHP code via crafted mount point settings.

The installation routine in ownCloud Server before 4.0.14, 4.5.x before 4.5.9, and 5.0.x before 5.0.4 uses the time function to seed the generation of the PostgreSQL database user password, which makes it easier for remote attackers to guess the password via a brute force attack.

Unspecified vulnerability in core/settings.php in ownCloud before 4.0.12 and 4.5.x before 4.5.6 allows remote authenticated users to execute arbitrary PHP code via unknown vectors. NOTE: this issue was SPLIT from CVE-2013-0303 due to different affected versions.

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.

Unspecified vulnerability in core/ajax/translations.php in ownCloud before 4.0.12 and 4.5.x before 4.5.6 allows remote authenticated users to execute arbitrary PHP code via unknown vectors. NOTE: this entry has been SPLIT due to different affected versions. The core/settings.php issue is covered by CVE-2013-7344.

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.

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.