PHP Object Injection in Post Duplicator Plugin

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

Contributor PHP Object Injection in Post Duplicator <= 3.0.10 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-04

NVD

CVE-2026-39474

Affected Vendors & Products

Vendor	Product	Version / Range
post_duplicator	post_duplicator	to 3.0.10 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-502	The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

Executive Summary

This vulnerability is a PHP Object Injection issue found in the Post Duplicator plugin versions up to and including 3.0.10. It allows an attacker with contributor-level privileges to inject malicious PHP objects.

Impact Analysis

The vulnerability has a high severity score (CVSS 8.8) and can lead to complete compromise of confidentiality, integrity, and availability of the affected system. An attacker with contributor privileges can exploit this to execute arbitrary code, potentially leading to data breaches, unauthorized modifications, or denial of service.

Hi! I’m here to help you understand CVE-2026-39474. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70