How to fix CVE-2025-69079?

Within 24 hours: Identify all systems running ThemeREX Sound plugin <= 1.6.9 and assess business criticality; immediately disable the plugin if non-essential or isolate affected systems from production networks. Within 7 days: Implement WAF rules blocking suspicious serialized object patterns, apply input validation hardening, and monitor for exploitation attempts in logs. Within 30 days: Either upgrade to a patched version when available, migrate to alternative plugins, or complete removal of the affected software.

Is Deserialization affected by CVE-2025-69079?

A critical deserialization vulnerability (CVE-2025-69079, CVSS 9.8) affects ThemeREX Sound musical instruments plugin through version 1.6.9, allowing attackers to inject malicious objects and potentially gain complete control of affected systems.

CVE-2025-69079

Q: Is Deserialization affected by CVE-2025-69079?

A critical deserialization vulnerability (CVE-2025-69079, CVSS 9.8) affects ThemeREX Sound musical instruments plugin through version 1.6.9, allowing attackers to inject malicious objects and potentially gain complete control of affected systems.

CRITICAL

2026-01-22 [email protected]

9.8

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 22, 2026 - 17:16 nvd

CRITICAL 9.8

Description

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.

Analysis

ThemeREX Sound/musicplace WordPress theme has an insecure deserialization vulnerability enabling PHP object injection and potential remote code execution.

Technical Context

The Sound/musicplace theme deserializes untrusted data (CWE-502), allowing attackers to inject crafted PHP objects that chain POP gadgets from WordPress core or installed plugins to achieve code execution.

Affected Products

['ThemeREX Sound/musicplace WordPress theme']

Remediation

Update the theme. Avoid unserializing user-controlled data.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +49

POC: 0

CVE-2025-69079 vulnerability details – vuln.today

Back

CVE-2025-69079

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

CVE-2025-69079

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code