CVE-2026-8940 Details
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.
A Cross-Site Request Forgery (CSRF) vulnerability has been identified in the WP Meta Sort Posts plugin for WordPress, affecting all versions through 0.9. The issue arises from inadequate nonce validation in the 'msp-options.php' file, allowing unauthenticated attackers to manipulate the 'msp_loop_file' and 'msp_nav_location' settings. Exploitation requires tricking a site administrator into clicking a link that initiates the forged request.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 9, 2026CISA-ADP
Assessed Jun 9, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L18 | [email protected] | Broken LinkSource CodeVendor |
| https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L27 | [email protected] | Broken LinkSource CodeVendor |
| https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L30 | [email protected] | Broken LinkSource CodeVendor |
| https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/wp-meta-sort-posts.php#L106 | [email protected] | Broken LinkSource CodeVendor |
| https://www.wordfence.com/threat-intel/vulnerabilities/id/06efa097-38dc-4499-b163-7a6254b25f72?source=cve | [email protected] | AdvisoryRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-352 | Cross-Site Request Forgery (CSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| WP Meta Sort Posts | <= 0.9 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 9, 2026 | New CVE Received | [email protected] |