What the vulnerability does
01Description
The Redirect countdown plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing nonce validation on the `countdown_settings_content()` function. This makes it possible for unauthenticated attackers to update the plugin settings including the countdown timeout, redirect URL, and custom text, 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
Redirect Countdown versions 1.0 and earlier are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious link or webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without their knowledge. The vulnerability requires user interaction—the admin must click the link or visit the attacker's page. This can lead to unauthorized changes to site settings or configuration.
What an attacker can do
03Attacker Capabilities
Trick a logged-in admin into performing unwanted actions on the site via a malicious link or webpage.
Potential impact on your site
04Site Impact
An attacker can modify site settings or configuration if they trick an admin into clicking a malicious link.
Conditions required to exploit
05Prerequisites
Admin must click a malicious link or visit an attacker-controlled page while logged into the site.
Key dates
06Disclosure timeline
March 21, 2026
CVE published
April 8, 2026
Record updated
