What’s Vulnerable › Vulnerabilities

CVE-2023-4792: Duplicate Post Page Menu & Custom Post Type <= 2.3.1 - Missing Authorization to Post Duplication

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-07 · updated 2026-06-17
• Weakness: CWE-862

Description

The Duplicate Post Page Menu & Custom Post Type plugin for WordPress is vulnerable to unauthorized page and post duplication due to a missing capability check on the duplicate_ppmc_post_as_draft function in versions up to, and including, 2.3.1. This makes it possible for authenticated attackers with subscriber access or higher to duplicate posts and pages.

Affected products

• inqsys Duplicate Post Page Menu & Custom Post Type: through 2.3.1

References

• https://plugins.trac.wordpress.org/browser/duplicate-post-page-menu-custom-post-type/trunk/duplicate-post-page-menu-cpt.php?rev=2871256#L383
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2963515%40duplicate-post-page-menu-custom-post-type&new=2963515%40duplicate-post-page-menu-custom-post-type&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d6bb08e8-9ef5-41db-a111-c377a5dfae77?source=cve
• https://plugins.trac.wordpress.org/browser/duplicate-post-page-menu-custom-post-type/trunk/duplicate-post-page-menu-cpt.php?rev=2871256#L383
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2963515%40duplicate-post-page-menu-custom-post-type&new=2963515%40duplicate-post-page-menu-custom-post-type&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d6bb08e8-9ef5-41db-a111-c377a5dfae77?source=cve

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