Before version 4.8.2, WordPress allowed a Directory Traversal attack in the Customizer component via a crafted theme filename.
{ "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" } ] }