ownCloud 4.0.x before 4.0.10 and 4.5.x before 4.5.5 does not properly restrict access to settings.php, which allows remote attackers to edit app configurations of user_webdavauth and user_ldap by editing this file.

The "Lost Password" reset functionality in ownCloud before 4.0.9 and 4.5.0 does not properly check the security token, which allows remote attackers to change an accounts password via unspecified vectors related to a "Remote Timing Attack."

Incomplete blacklist vulnerability in lib/migrate.php in ownCloud before 4.5.2 allows remote authenticated users to execute arbitrary PHP code by uploading a crafted mount.php file in a ZIP file.

Incomplete blacklist vulnerability in lib/filesystem.php in ownCloud before 4.0.9 and 4.5.x before 4.5.2 allows remote authenticated users to execute arbitrary PHP code by uploading a file with a special crafted name.

Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 4.0.9 and 4.5.0 allow remote attackers to inject arbitrary web script or HTML via the (1) file name to apps/files_versions/js/versions.js or (2) apps/files/js/filelist.js; or (3) event title to 3rdparty/fullcalendar/js/fullcalendar.js.

index.php in ownCloud 4.0.7 does not properly validate the oc_token cookie, which allows remote attackers to bypass authentication via a crafted oc_token cookie value.