What the vulnerability does
01Description
The ARK Related Posts plugin for WordPress is vulnerable to Cross-Site Request Forgery in version 2.19. This is due to missing or incorrect nonce validation on the ark_rp_options_page function. This makes it possible for unauthenticated attackers to modify the plugin's configuration settings 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
ARK Related Posts versions 2.19 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 admin's knowledge or consent. The vulnerability requires the victim to visit the attacker's page while authenticated.
What an attacker can do
03Attacker Capabilities
Perform unwanted actions on the site by tricking an authenticated admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
An attacker could modify plugin settings or perform other administrative actions without your permission.
Conditions required to exploit
05Prerequisites
Site admin must be logged in and visit an attacker-controlled webpage.
Key dates
06Disclosure timeline
December 5, 2025
CVE published
April 8, 2026
Record updated