Authorization Bypass in WP Directory Kit Plugin by WordPress
CVE-2026-16590

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
WP Directory Kit
Vendor
CVE Published:
8 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16590?

The WP Directory Kit plugin for WordPress is subject to an authorization bypass vulnerability due to improper checks on an authenticated AJAX action. This flaw enables any authenticated user, including those with minimal roles such as Subscriber, to access and retrieve stored contact messages and associated user data belonging to other users. Without proper nonce and authorization checks, sensitive information is at risk of exposure, emphasizing the need for immediate attention and remediation in affected installations.

Affected Version(s)

WP Directory Kit 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-2026-16590 - Proof of Concept

References

https://wpscan.com/vulnerability/ddf13b08-4ee2-46a1-929c-...
exploitvdb-entrytechnical-description

CVSS V3.1

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

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yaswanth Reddy Sunkara
WPScan
.