The wpajaxupdateplugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 makes a getplugindata call before checking the updateplugins capability, which allows remote authenticated users to bypass intended read-access restrictions via the plugin parameter to wp-admin/admin-ajax.php, a related issue to CVE-2016-6896.
{
"binaries": [
{
"binary_version": "4.4.2+dfsg-1ubuntu1",
"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"
}
]
}