What the vulnerability does
01Description
The Sertifier Certificate & Badge Maker for WordPress – Tutor LMS plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.19. This is due to missing or incorrect nonce validation on the 'sertifier_settings' page. This makes it possible for unauthenticated attackers to update the plugin's api key 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
The Sertifier Certificate & Badge Maker for WordPress – Tutor LMS plugin versions 1.19 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 user interaction—the admin must visit the attacker's page while logged into WordPress.
What an attacker can do
03Attacker Capabilities
Perform unwanted actions on the site by tricking a logged-in admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
An attacker can modify site settings or data by exploiting an admin's active session, potentially affecting certificates or badges.
Conditions required to exploit
05Prerequisites
A logged-in WordPress administrator must visit an attacker-controlled webpage while authenticated to the site.
Key dates
06Disclosure timeline
August 23, 2025
CVE published
April 8, 2026
Record updated
