Classified Listing <= 5.3.8 - Insecure Direct Object Reference to Authenticated (Subscriber+) Receipt Disclosure

2026-06-30 00:00

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

Strategic Overview

Status

Patched in 5.3.9

Affected PluginClassified Listing – AI-Powered Classified ads & Business Directory

Affected Version<= 5.3.8

CVSS4.3Medium

CVECVE-2026-14183

View all Classified Listing – AI-Powered Classified ads & Business Directory vulnerabilities

Vulnerability Overview

The Classified Listing – AI-Powered Classified ads & Business Directory plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.3.8 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read other user's receipts.

Technical Analysis

REMEDIATION: Update to version 5.3.9, or a newer patched version --- IDENTIFIER: CWE-639 (Authorization Bypass Through User-Controlled Key) The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

External References

https://www.cve.org/CVERecord?id=CVE-2026-14183 https://www.wordfence.com/threat-intel/vulnerabilities/id/51560b6e-e926-4c3e-aa43-d604e7239a91

CVSS Vector

4.3

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone

This record contains material that is subject to copyright

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

https://www.cve.org/Legal/TermsOfUse

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/