A remote code execution vulnerability exists 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. An authenticated user with admin privileges to create or edit a product can execute arbitrary code via malicious XML layout updates.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-7942
• https://web.archive.org/web/20211206084839/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13
• https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7942.yaml
• https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13