---
id: "CVE-2026-25467"
kind: "vulnerability"
aliases: ["CVE-2026-25467"]
title: "ThemeGrill User Registration plugin: stored XSS through script tags, up to 5.3.0"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "themegrill", "user-registration", "wordpress"]
not_affected_if: ["newer-version", "plugin-not-installed"]
published_at: "2026-10-29T14:17:54+00:00"
first_seen_at: "2026-10-29T14:25:23+00:00"
updated_at: "2026-10-29T14:26:09+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25467", "first_seen_at": "2026-10-29T14:25:23+00:00"}]
---

# ThemeGrill User Registration plugin: stored XSS through script tags, up to 5.3.0

The ThemeGrill User Registration WordPress plugin fails to neutralize script-related HTML tags in a page, which lets injected code run in the browser of whoever views it. An attacker can run scripts in a visitor's or administrator's session on the affected site.

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

## How to check

- Check the installed version of User Registration (user-registration) in the WordPress plugins screen or `wp plugin get user-registration --field=version`
- Compare it against the affected range: from n/a through `5.3.0`

## Fix

- User Registration: unknown (the sources give no fixed version)

## Timeline

- 2026-10-29T14:25:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-25467

## From the sources

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in ThemeGrill User Registration user-registration allows Code Injection.This issue affects User Registration: from n/a through 5.3.0.

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