CVE-2019-11843: Automattic Mailpoet

Medium severity, CVSS 6.1. EPSS: 1.8% chance of exploitation in the next 30 days.

The MailPoet plugin before 3.23.2 for WordPress allows remote attackers to inject arbitrary web script or HTML using extra parameters in the URL (Reflective Server-Side XSS).

Affected products

• Automattic Mailpoet: before 3.23.2 (fixed in 3.23.2)

Published 2020-06-02. Last modified 2026-06-17.