Insufficient server-side validation of user input could allow an attacker to bypass file upload restrictions in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2.Referenceshttps://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13
