WordPress Fluent Forms - Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin <= 6.1.21 - Insecure Direct Object Reference in Stripe SCA Confirmation to Unauthenticated Payment Status Modification vulnerability

WordPress Fluent Forms - Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin = 6.1.21 - Insecure Direct Object Reference in Stripe SCA Confirmation to Unauthenticated Payment Status Modification vulnerability discovered by Prickly Cactus in WordPress Plugin FluentForm...

CVE-2026-4160

The CVE-2026-4160 entry concerns the WordPress Fluent Forms plugin (versions up to 6.1.21). Affected component: Stripe SCA confirmation AJAX endpoint handling a submission_id parameter. Root cause: missing authorization and ownership validation on a user-controlled key enables Insecure Direct Obj...

PT-2026-33318

Name of the Vulnerable Software and Affected Versions Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder versions prior to 6.1.22 Description An Insecure Direct Object Reference IDOR exists due to missing authorization and ownership validation on a user...

CVE-2026-4160: Authorization Bypass Through User-Controlled Key

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference via the 'submissionid' parameter in versions up to, and including, 6.1.21. This is due to missing authorization and ownership validatio...