---
id: CVE-2026-11963
title: >-
  The User Registration & Membership  WordPress plugin before 5.2.2 does not
  perform an authorization check on a membership-upgrade action and derives the
  user to modify from a caller-supplied identifier instead of the current user,
  allowi…
summary: >-
  The User Registration & Membership  WordPress plugin before 5.2.2 does not
  perform an authorization check on a membership-upgrade action and derives the
  user to modify from a caller-supplied identifier instead of the current user,
  allowi…
severity: none
published: '2026-07-13'
updated: '2026-07-13'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-11963'
references:
  - url: 'https://wpscan.com/vulnerability/a34a916a-983e-48a5-8f10-99214ee3b613/'
    label: contact@wpscan.com
tags:
  - nvd
ingestedAt: '2026-07-13T07:25:22.673Z'
epss: 0.0035
epssPercentile: 0.28682
---

## Overview

The User Registration & Membership  WordPress plugin before 5.2.2 does not perform an authorization check on a membership-upgrade action and derives the user to modify from a caller-supplied identifier instead of the current user, allowing any authenticated user such as a subscriber to change another user's WordPress role and membership tier.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.