Skip to main content

Software intelligence

Post Duplicator vulnerabilities

10 tracked advisories · slug post-duplicator

Important: Post Duplicator appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

10

Latest advisory

21 August 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

post-duplicator

Plugin

What this means for Post Duplicator

This catalog lists 10 known advisories affecting Post Duplicator. The most recent was published on 21 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • Post Duplicator <= 3.0.11 - Authorization Bypass to Authenticated (Contributor+) Post Duplication

    May allow a lower-privilege user to perform actions reserved for administrators.

    Published 21 August 2026

  • Post Duplicator <= 3.0.11 - Missing Authorization to Authenticated (Contributor+) Post Duplication with Arbitrary Author Attribution

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 21 August 2026

  • Post Duplicator < 3.0.15 - Authenticated (Contributor+) PHP Object Injection

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 25 June 2026

Vulnerability types

  • Cross-site scripting2
  • Privilege escalation1

Authentication (inferred from titles)

  • Unauthenticated0
  • Authenticated6
  • Unspecified4

Advisory history

Known Post Duplicator advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Post Duplicator version against this catalog when the Defence plugin is connected to your WordPress site.