What the vulnerability does
01Description
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.
Explanation of Vulnerability in Simple Terms
02Summary
The uListing WordPress plugin through version 2.2.0 fails to properly check user permissions before allowing access to sensitive functions. A logged-in user with low privileges can read, modify, or delete data they should not have access to, including directory listings and associated information. This affects all installations running the vulnerable version.
What an attacker can do
03Attacker Capabilities
Read, modify, or delete directory listings and data without proper authorization.
Potential impact on your site
04Site Impact
Unauthorized users can tamper with or erase directory content, compromising data integrity and site functionality.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor).
Key dates
06Disclosure timeline
March 15, 2025
CVE published
April 8, 2026
Record updated
