What the vulnerability does
01Description
The WidgetPack Comment System plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6.1. This is due to missing or incorrect nonce validation on the wpcmt_sync action in the wpcmt_request_handler function. This makes it possible for unauthenticated attackers to trigger comment synchronization events 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
WidgetPack Comment System versions 1.6.1 and earlier are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the comment system without the admin's knowledge or consent. The vulnerability requires user interaction—the admin must visit the attacker's page while authenticated.
What an attacker can do
03Attacker Capabilities
Perform unwanted actions on the comment system by tricking an authenticated admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
Attackers can modify or delete comments, change comment settings, or perform other admin actions without authorization if an admin visits a malicious link.
Conditions required to exploit
05Prerequisites
Site admin must be logged in and visit an attacker-controlled webpage; no special privileges or complex setup required.
Key dates
06Disclosure timeline
October 11, 2025
CVE published
April 8, 2026
Record updated
