CVE-2025-22526 CRITICAL

CVE-2025-22526: WordPress PHP/MySQL CPU performance statistics Plugin <= 1.2.1 - PHP Object Injection vulnerability

Vendor Mywebtonet
Product PHP/MySQL CPU performance statistics
Weakness CWE-502 · Unsafe deserialization
Published March 28, 2025
Last update April 28, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in mywebtonet PHP/MySQL CPU performance statistics mywebtonet-performancestats allows Object Injection.This issue affects PHP/MySQL CPU performance statistics: from n/a through <= 1.2.1.

Explanation of Vulnerability in Simple Terms

02Summary

The PHP/MySQL CPU performance statistics tool versions 1.2.1 and earlier contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary PHP code on the server. The vulnerability requires no user interaction and can be exploited over the network. An attacker can gain complete control of the affected system, including reading sensitive data, modifying files, and disrupting service.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the server without authentication, gaining full control of the system.

Potential impact on your site

04Site Impact

Complete server compromise: attackers can read all data, modify files, install malware, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access to the vulnerable application. No authentication or user interaction required.

Key dates

06Disclosure timeline

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