Directory Listings WordPress plugin – uListing <= 2.2.0 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Post Meta Update and PHP Object Injection

2025-03-14 14:22
Phat RiO

Strategic Overview

Vulnerability Overview

The Directory Listings WordPress plugin – uListing plugin for WordPress is vulnerable to unauthorized modification of data and PHP Object Injection due to a missing capability check on the stm_listing_ajax AJAX action in all versions up to, and including, 2.2.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to update post meta data and inject PHP Objects that may be unserialized. A capability check was added in 2.1.8, but the unserialize is still present.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C