4.3
MEDIUM CVSS 3.1
CVE-2026-8940
WP Meta Sort Posts <= 0.9 - Cross-Site Request Forgery to Plugin Settings Update
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.

INFO

Published Date :

June 9, 2026, 5:16 a.m.

Last Modified :

June 9, 2026, 5:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-8940 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Update the WP Meta Sort Posts plugin to version 0.9.1 or later to fix CSRF.
  • Update WP Meta Sort Posts plugin to version 0.9.1.
  • Ensure nonce validation is correctly implemented.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-8940 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-8940 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8940 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-8940 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 09, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Added CWE CWE-352
    Added Reference https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L18
    Added Reference https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L27
    Added Reference https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/msp-options.php#L30
    Added Reference https://plugins.trac.wordpress.org/browser/wp-meta-sort-posts/trunk/wp-meta-sort-posts.php#L106
    Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/06efa097-38dc-4499-b163-7a6254b25f72?source=cve
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.