system
Describe <CVE-2019-7861>.
user
What is <CVE-2019-7861>?
assistant
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..