CVE-2026-39499 HIGH

CVE-2026-39499: WordPress Advanced Product Fields (Product Addons) for WooCommerce plugin <= 1.6.19 - PHP Object Injection vulnerability

Vendor Wombat Plugins
Product Advanced Product Fields (Product Addons) for WooCommerce
Weakness CWE-502 · Unsafe deserialization
Published June 15, 2026
Last update June 15, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Shop manager PHP Object Injection in Advanced Product Fields (Product Addons) for WooCommerce <= 1.6.19 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Advanced Product Fields plugin for WooCommerce versions up to 1.6.19 contain a deserialization vulnerability in how they process untrusted data. An authenticated attacker with high privileges can exploit this to read sensitive site data, modify content, or disrupt site availability. Site owners should update immediately to a patched version.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify site content, or cause the site to become unavailable.

Potential impact on your site

04Site Impact

Your site's data confidentiality, integrity, and availability are at risk if a privileged user account is compromised.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or equivalent privileges on the WordPress site.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

Related vulnerabilities

08Related CVE