CVE Catalog

CVE-2026-12400

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.23%

13th percentile - higher than 13% of all known CVEs

Summary

The FlowForms – Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference (IDOR) in all versions up to and including 1.1.1. The vulnerability exists in the update_form function due to missing validation on a user-controlled key, allowing authenticated attackers with contributor-level access and above to modify the content, design, and settings of any form on the site, including forms owned by administrators.

Risk Assessment

The organization is at risk of unauthorized form modification, which could lead to data integrity breaches, information disclosure, or injection of malicious content. Attackers can publish or unpublish forms, disrupting site operations.

Recommendation

Immediately update the FlowForms – Conversational Form Builder plugin to the latest available version that fixes this vulnerability. If no update is available, temporarily disable the plugin until a patch is released.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS