What the vulnerability does
01Description
The WP Meta Sort Posts plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.9. This is due to missing or incorrect nonce validation on the top-level included script in msp-options.php. This makes it possible for unauthenticated attackers to change the plugin's msp_loop_file and msp_nav_location settings via a forged request via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Explanation of Vulnerability in Simple Terms
02Summary
WP Meta Sort Posts versions 0.9 and earlier are vulnerable to cross-site request forgery (CSRF). An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without the administrator's knowledge or consent. The vulnerability requires the administrator to visit the attacker's page while authenticated to WordPress.
What an attacker can do
03Attacker Capabilities
Perform unwanted administrative actions on the site by tricking a logged-in admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
An attacker can modify site settings or content through a logged-in admin's browser without the admin's awareness or permission.
Conditions required to exploit
05Prerequisites
A logged-in WordPress administrator must visit an attacker-controlled webpage while authenticated to the site.
Key dates
06Disclosure timeline
June 9, 2026
CVE published
June 9, 2026
Record updated
