CVE-2026-12400: Priyanshuchaudhary Flowforms – Conversational Form Builder

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

The FlowForms – Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.1.1 via the update_form due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to modify the content, design, and settings of, as well as publish or revert, any form on the site — including forms owned by administrators — by supplying an arbitrary form ID in the REST URL.

Affected products

• Priyanshuchaudhary Flowforms – Conversational Form Builder: up to and including 1.1.1

Published 2026-07-10. Last modified 2026-07-14.