In WordPress before 4.9.9 and 5.x before 5.0.1, authors could bypass intended restrictions on post types via crafted input.
{ "binaries": [ { "binary_name": "wordpress", "binary_version": "4.4.2+dfsg-1ubuntu1" }, { "binary_name": "wordpress-l10n", "binary_version": "4.4.2+dfsg-1ubuntu1" }, { "binary_name": "wordpress-theme-twentyfifteen", "binary_version": "4.4.2+dfsg-1ubuntu1" }, { "binary_name": "wordpress-theme-twentyfourteen", "binary_version": "4.4.2+dfsg-1ubuntu1" }, { "binary_name": "wordpress-theme-twentysixteen", "binary_version": "4.4.2+dfsg-1ubuntu1" } ] }
{ "binaries": [ { "binary_name": "wordpress", "binary_version": "4.9.5+dfsg1-1" }, { "binary_name": "wordpress-l10n", "binary_version": "4.9.5+dfsg1-1" }, { "binary_name": "wordpress-theme-twentyfifteen", "binary_version": "4.9.5+dfsg1-1" }, { "binary_name": "wordpress-theme-twentyseventeen", "binary_version": "4.9.5+dfsg1-1" }, { "binary_name": "wordpress-theme-twentysixteen", "binary_version": "4.9.5+dfsg1-1" } ] }