CVE-2025-31430 CRITICAL

CVE-2025-31430: WordPress The Business <= 1.6.1 - PHP Object Injection Vulnerability

Vendor Themeton
Product The Business
Weakness CWE-502 · Unsafe deserialization
Published May 23, 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 themeton The Business allows Object Injection. This issue affects The Business: from n/a through 1.6.1.

Explanation of Vulnerability in Simple Terms

02Summary

The Business theme for WordPress contains a deserialization vulnerability in versions up to 1.6.1. An attacker can send a specially crafted request over the network to deserialize untrusted data, leading to remote code execution. No authentication or user interaction is required. Sites running affected versions should update immediately.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site without authentication.

Potential impact on your site

04Site Impact

Complete site compromise: attacker can read data, modify content, create accounts, or take full control.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 23, 2025 CVE published
April 28, 2026 Record updated