A remote code execution vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated user can leverage email templates hierarchy to manipulate the interceptor class in a way that allows an attacker to execute arbitrary code.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-8110
• https://web.archive.org/web/20220121051105/https://magento.com/security/patches/magento-2.3.3-and-2.2.10-security-update
• https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-8110.yaml
• https://magento.com/security/patches/magento-2.3.3-and-2.2.10-security-update