CVE-2026-18324

High

Description

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.

SeverityHigh
CVSS7.2
Exploit probability—
ProductForminator Forms – Contact Form, Payment Form & Custom Form Builder
PublishedAug 28, 2026
First seenAug 28, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builderv ≤ 1.57.0.1—

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CVE-2026-18324 · Forminator Forms – Contact Form, Payment Form & Custom Form Builder · Dark Radar