A stored cross-site scripting vulnerability exists in the admin panel of Magento Open Source prior to 1.9.4.2, and Magento Commerce prior to 1.14.4.2, Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. This could be exploited by an authenticated user with privileges to modify store currency options to inject malicious javascript.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-7940
• https://web.archive.org/web/20220127030535/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-24
• https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/magento1ce/CVE-2019-7940.yaml
• https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/magento1ee/CVE-2019-7940.yaml
• https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7940.yaml
• https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23