---
id: CVE-2026-16259
title: >-
  The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the
  account being modified through an unauthenticated profile-update action
  belongs to the requester, and it authenticates that action with a token whose
  signing key …
summary: >-
  The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the
  account being modified through an unauthenticated profile-update action
  belongs to the requester, and it authenticates that action with a token whose
  signing key …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-269
published: '2026-08-29'
updated: '2026-08-30'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16259'
references:
  - url: 'https://wpscan.com/vulnerability/e551128c-c9b1-4e6a-a2aa-92830b7a4887/'
    label: contact@wpscan.com
tags:
  - nvd
epss: 0.00277
epssPercentile: 0.17891
ingestedAt: '2026-08-30T07:49:06.670Z'
---

## Overview

The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.

## Remediation

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