PHP Object Injection in Post Duplicator Plugin by WordPress
CVE-2026-39474

8.8HIGH

Key Information:

Vendor

WordPress
Status
Post Duplicator
Vendor
CVE Published:
15 June 2026

What is CVE-2026-39474?

A PHP Object Injection vulnerability exists in the Post Duplicator plugin for WordPress, specifically in versions up to 3.0.10. This flaw can be exploited by malicious actors to inject crafted PHP objects, potentially leading to unauthorized actions or data access within the application. It is crucial for users of the affected versions to apply updates and implement security best practices to safeguard their WordPress installations.

Affected Version(s)

Post Duplicator <= 3.0.10

References

https://patchstack.com/database/wordpress/plugin/post-dup...
vdb-entry

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Ba Khanh | Patchstack Bug Bounty Program
.