What the vulnerability does
01Description
The Ultimate Viral Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on thesave_options() function. This makes it possible for unauthenticated attackers to update the plugin's 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
Ultimate Viral Quiz versions 1.0 and earlier contain a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the quiz plugin 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 quiz plugin by tricking an authenticated admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
An attacker can modify quiz settings, delete quizzes, or alter quiz data by exploiting admin sessions.
Conditions required to exploit
05Prerequisites
Victim must be logged in to the site and visit an attacker-controlled webpage.
Key dates
06Disclosure timeline
October 3, 2025
CVE published
April 8, 2026
Record updated