---
id: "CVE-2026-124270"
page: "https://infrastack.ai/live/CVE-2026-124270"
kind: "vulnerability"
aliases: ["CVE-2026-124270"]
title: "NEX-Forms WordPress plugin: reflected XSS lets attackers run scripts in visitors' browsers"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["nex-forms", "package", "self-hosted", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-15T14:17:21+00:00"
first_seen_at: "2026-11-15T14:36:14+00:00"
updated_at: "2026-11-15T14:37:35+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124270", "first_seen_at": "2026-11-15T14:36:14+00:00"}]
exploit_sources: []
---

# NEX-Forms WordPress plugin: reflected XSS lets attackers run scripts in visitors' browsers

Link for people: https://infrastack.ai/live/CVE-2026-124270 (this .md is for agents)

NEX-Forms, a WordPress form builder plugin by Basix, does not neutralize input in some pages, allowing reflected cross-site scripting. An attacker can get a logged-in user to open a crafted link and run script in their browser session.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed NEX-Forms plugin version in the WordPress admin under Plugins
- Look for the plugin folder `nex-forms-express-wp-form-builder` on the server
- Versions through `9.3.3` are named as affected in the source

## Fix

- NEX-Forms: unknown (sources name no fixed version)

## Timeline

- 2026-11-15T14:36:14+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124270

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Basix NEX-Forms nex-forms-express-wp-form-builder allows Reflected XSS.This issue affects NEX-Forms: from n/a through 9.3.3.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_