Vulnerability in Happyforms – Form Builder For WordPress: Drag & Drop Contact Forms, Surveys, Payments Multipurpose Forms

CVE-2025-11977

The Happyforms – Form Builder for WordPress: Drag & Drop Contact Forms, Surveys, Payments & Multipurpose Forms plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.26.12 via the happyforms_get_form_partial() function. This makes it possible for authenticated attackers, with Administrator-level access and above, to include and execute arbitrary .php files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where .php file types can be uploaded and included.

EPSS: 0.005 (40.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-11977?
CVE-2025-11977 is a medium-severity vulnerability in Happyforms – Form Builder For WordPress: Drag & Drop Contact Forms, Surveys, Payments Multipurpose Forms, classified under PHP Remote File Inclusion. CVSS score: 6.6/10. Published 2026-07-10.
How severe is CVE-2025-11977?
Medium severity. CVSS v3 base score is 6.6 out of 10.