Contact Form by WPForms – Drag & Drop Form Builder for WordPress, CVE-2026-4986

CVE, Research URL: CVE-2026-4986
Home page URL: Security reports for Contact Form by WPForms – Drag & Drop Form Builder for WordPress
Application: Contact Form by WPForms – Drag & Drop Form Builder for WordPress
Published on: Jun 09, 2026
Research Description: The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions.
Affected versions: max 1.10.0.5.
Status: vulnerable