Description
A stored cross-site scripting vulnerability exists in the admin panel of 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 content block titles to inject malicious javascript.
Remediation
References
Related Vulnerabilities
WordPress Plugin Companion Auto Update Cross-Site Scripting (2.9.3)
Drupal Permissions, Privileges, and Access Controls Vulnerability (CVE-2013-0246)
WordPress Plugin WP-Footnotes 'admin_panel.php' Multiple Remote Vulnerabilities (2.2)
WordPress Plugin ShiftNav-Responsive Mobile Menu Cross-Site Scripting (1.5.2)