CVE-2026-8940

Description

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.

References

• https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L18
• https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L27
• https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L30
• https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/wp-meta-sort-posts.php#L106
• https://www.wordfence.com/threat-intel/vulnerabilities/id/06efa097-38dc-4499-b163-7a6254b25f72?source=cve