CVE-2025-26959 HIGH

CVE-2025-26959: WordPress Administrator Z <= 2025.03.24 - Privilege Escalation Vulnerability

Vendor Quý Lê 91
Product Administrator Z
Weakness CWE-862 · Missing authorization
Published April 15, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Missing Authorization vulnerability in Quý Lê 91 Administrator Z administrator-z allows Privilege Escalation.This issue affects Administrator Z: from n/a through <= 2025.03.24.

Explanation of Vulnerability in Simple Terms

02Summary

Administrator Z versions up to 2025.03.24 lack proper authorization checks, allowing authenticated users with low privileges to perform administrative actions they should not have access to. An attacker with a standard user account can read, modify, or delete sensitive data and disrupt site operations. The vulnerability requires valid login credentials but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete data and perform administrative actions with a low-privilege user account.

Potential impact on your site

04Site Impact

Unauthorized users can compromise data integrity, access confidential information, and disrupt site availability.

Conditions required to exploit

05Prerequisites

Valid login credentials with low-level user privileges; network access to the application.

Key dates

06Disclosure timeline

April 15, 2025 CVE published
April 28, 2026 Record updated