Authorization Flaw in Duplicate Post Plugin Affects WordPress Sites
CVE-2026-19077

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Duplicate Post
Vendor
CVE Published:
10 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19077?

The Duplicate Post plugin for WordPress, prior to version 1.5.5, has a significant security flaw where it fails to enforce proper authorization checks during its bulk copy and delete functionalities. This oversight allows any user with access granted by an administrator to delete posts across the site without permission, thereby affecting post integrity and user data security.

Affected Version(s)

Duplicate Post 0 < 1.5.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19077 - Proof of Concept

References

https://wpscan.com/vulnerability/dcced434-f7c0-4e19-b3cb-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Shikhali Jamalzade
WPScan
.