---
id: CVE-2026-25450
title: >-
  WordPress User Registration plugin <= 5.3.0 - Broken Access Control
  vulnerability
summary: >-
  Missing Authorization vulnerability in ThemeGrill User Registration
  user-registration allows Exploiting Incorrectly Configured Access Control
  Security Levels.This issue affects User Registration: from n/a through 5.3.0.
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-862
vendor: ThemeGrill
product: user-registration
affected:
  - user-registration <= 5.3.0
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-29T14:34:30.886649Z'
published: '2026-10-29'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T16:49:19.089Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-25450'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-3-0-broken-access-control-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.00229
epssPercentile: 0.13742
ingestedAt: '2026-11-01T21:01:32.735Z'
---

## Overview

Missing Authorization vulnerability in ThemeGrill User Registration user-registration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects User Registration: from n/a through 5.3.0.

## Affected

- `user-registration <= 5.3.0`

## Remediation

Update the WordPress User Registration plugin to the latest available version (at least 5.3.1).