The mw_editPost function in wp-includes/class-wp-xmlrpc-server.php in the XMLRPC subsystem in WordPress before 4.3.1 allows remote authenticated users to bypass intended access restrictions, and arrange for a private post to be published and sticky, via unspecified vectors.
{ "ubuntu_priority": "medium", "availability": "No subscription required", "binaries": [ { "binary_name": "wordpress", "binary_version": "4.3.1+dfsg-1" }, { "binary_name": "wordpress-l10n", "binary_version": "4.3.1+dfsg-1" }, { "binary_name": "wordpress-theme-twentyfifteen", "binary_version": "4.3.1+dfsg-1" }, { "binary_name": "wordpress-theme-twentyfourteen", "binary_version": "4.3.1+dfsg-1" }, { "binary_name": "wordpress-theme-twentythirteen", "binary_version": "4.3.1+dfsg-1" } ] }