What the vulnerability does
01Description
Cross-Site Request Forgery (CSRF) vulnerability in marynixie Related Posts Thumbnails Plugin for WordPress related-posts-thumbnails allows Cross Site Request Forgery.This issue affects Related Posts Thumbnails Plugin for WordPress: from n/a through <= 4.3.2.
Explanation of Vulnerability in Simple Terms
02Summary
The Related Posts Thumbnails plugin for WordPress versions 4.3.2 and earlier contains a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious webpage that, when visited by a logged-in WordPress administrator, performs unwanted actions on the site without the admin's knowledge or consent. The vulnerability requires the admin to visit the attacker's page while authenticated to WordPress.
What an attacker can do
03Attacker Capabilities
Perform unwanted actions on the WordPress site by tricking an authenticated admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
An attacker can modify plugin settings or trigger unintended actions if an admin visits a compromised or malicious site while logged in.
Conditions required to exploit
05Prerequisites
Admin must be logged into WordPress and visit an attacker-controlled webpage; no special plugin configuration required.
Key dates
06Disclosure timeline
January 23, 2026
CVE published
April 28, 2026
Record updated