CVE-2026-18324: Wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Rich-Text Textarea Field in all versions up to, and including, 1.57.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that the targeted Textarea field has the Rich-Text editor option enabled.

Affected products

• Wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder: up to and including 1.57.0.1

Published 2026-08-28. Last modified 2026-08-28.