Insufficient Access Control in Classified Listing Plugin by WordPress
CVE-2026-14183

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Classified Listing
Vendor
CVE Published:
21 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14183?

The Classified Listing plugin for WordPress, prior to version 5.3.9, suffers from inadequate access control in its payment-receipt handling functionality. This flaw allows authenticated users with subscriber-level permissions to access and view payment receipt details belonging to other users' orders, therefore compromising user privacy and data confidentiality.

Affected Version(s)

Classified Listing 0 < 5.3.9

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-2026-14183 - Proof of Concept

References

https://wpscan.com/vulnerability/5b720785-86a4-4610-83cb-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
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

PO-WEI TING (Dinlon5566)
Open Information Security Inc.
WPScan
.