CVE-2025-49399 HIGH

CVE-2025-49399: WordPress NEX-Forms Plugin <= 9.1.3 - Cross Site Request Forgery (CSRF) Vulnerability

Vendor Basix
Product NEX-Forms
Weakness CWE-352 · CSRF
Published August 20, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in Basix NEX-Forms nex-forms-express-wp-form-builder allows Cross Site Request Forgery.This issue affects NEX-Forms: from n/a through <= 9.1.3.

Explanation of Vulnerability in Simple Terms

02Summary

NEX-Forms versions 9.1.3 and earlier are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unauthorized actions on the form builder without the admin's knowledge. This can lead to unauthorized form modifications, data theft, or malicious form submissions.

What an attacker can do

03Attacker Capabilities

Perform unauthorized actions on NEX-Forms by tricking a logged-in admin into visiting a malicious webpage.

Potential impact on your site

04Site Impact

Attackers can modify forms, steal submissions, or inject malicious code into your forms without your consent.

Conditions required to exploit

05Prerequisites

A site admin must be logged in and visit an attacker-controlled webpage while the admin session is active.

Key dates

06Disclosure timeline

August 20, 2025 CVE published
April 28, 2026 Record updated