Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.
- https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.
- https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.
- https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/wp-meta-sort
- https://www.wordfence.com/threat-intel/vulnerabilities/id/06efa097-38dc-4499-b16
FAQ
What is CVE-2026-8940?
CVE-2026-8940 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...
How severe is CVE-2026-8940?
CVE-2026-8940 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-8940?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.