CVE-2026-39472 HIGH

CVE-2026-39472: WordPress WooCommerce PDF Invoices & Packing Slips plugin < 5.9.0 - PHP Object Injection vulnerability

Vendor Wp Overnight
Product WooCommerce PDF Invoices & Packing Slips
Weakness CWE-502 · Unsafe deserialization
Published June 15, 2026
Last update June 15, 2026
View on NVD All CVEs

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 WooCommerce PDF Invoices & Packing Slips < 5.9.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WooCommerce PDF Invoices & Packing Slips before version 5.9.0 deserializes untrusted data without proper validation. An authenticated admin can craft malicious serialized objects to execute arbitrary PHP code on the site. This requires admin-level access but can lead to complete site compromise.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with full admin privileges.

Potential impact on your site

04Site Impact

A compromised admin account can execute code, modify data, and take full control of your site.

Conditions required to exploit

05Prerequisites

Attacker must have admin-level access to the WordPress site.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

Related vulnerabilities

08Related CVE

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