A security bypass 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 unauthenticated user can bypass the email confirmation mechanism via GET request that captures relevant account data obtained from the POST response related to new user creation.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-8112
• 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-2019-8112.yaml
• https://magento.com/security/patches/magento-2.3.3-and-2.2.10-security-update