CVE-2018-19404
In YXcms 1.4.7, protected/apps/appmanage/controller/indexController.php allow remote authenticated Administrators to execute any PHP code by creating a ZIP archive containing a config.php file, hosting the .zip file at an external URL, and visiting index.php?r=appmanage/index/onlineinstall&url= followed by that URL. This is related to the onlineinstall and import functions.
Source: CVE-2018-19404