CVE-2025-69079 CRITICAL

CVE-2025-69079: WordPress Sound | Musical Instruments Online Store theme <= 1.6.9 - Deserialization of untrusted data vulnerability

Vendor Themerex
Product Sound | Musical Instruments Online Store
Weakness CWE-502 · Unsafe deserialization
Published January 22, 2026
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 ThemeREX Sound | Musical Instruments Online Store musicplace allows Object Injection.This issue affects Sound | Musical Instruments Online Store: from n/a through <= 1.6.9.

Explanation of Vulnerability in Simple Terms

02Summary

Sound | Musical Instruments Online Store versions up to 1.6.9 contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the server. The vulnerability exists in how the product processes untrusted serialized data without proper validation. An attacker can exploit this remotely without user interaction to gain full control of the site.

What an attacker can do

03Attacker Capabilities

Run their own code on the server, read/modify all site data, and take complete control of the site.

Potential impact on your site

04Site Impact

Complete compromise of the site and all customer data; attacker can steal credentials, modify products/prices, or inject malware.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

January 22, 2026 CVE published
April 28, 2026 Record updated