Unauthenticated Access Control Flaw in Classified Listing Plugin by WordPress
CVE-2026-42640

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Classified Listing
Vendor
CVE Published:
15 June 2026

What is CVE-2026-42640?

The Classified Listing plugin for WordPress, specifically versions up to 5.3.8, has a vulnerability that allows unauthenticated users to exploit broken access control mechanisms. This security flaw can enable unauthorized access to sensitive areas of the application, potentially leading to data exposure or manipulation. It is critical for users of this plugin to update to the latest version to mitigate the associated risks.

Affected Version(s)

Classified Listing <= 5.3.8

References

https://patchstack.com/database/wordpress/plugin/classifi...
vdb-entry

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Cruzer | Patchstack Bug Bounty Program
.