What the vulnerability does
01Description
The Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.3.2. This is due to missing or incorrect nonce validation on the 'setup-wbcr_clearfy' page. This makes it possible for unauthenticated attackers to update the plugins 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
Clearfy Cache versions up to 2.3.2 contain a cross-site request forgery (CSRF) vulnerability that allows attackers to perform unauthorized actions on behalf of site administrators. An attacker can craft a malicious link or page that, when visited by an admin, triggers unwanted plugin configuration changes or other administrative operations. The vulnerability requires user interaction—the admin must click the link or visit the attacker's page—but no authentication is needed from the attacker's side.
What an attacker can do
03Attacker Capabilities
Trick a site admin into performing unauthorized plugin actions by visiting a malicious link.
Potential impact on your site
04Site Impact
Plugin settings could be altered without your knowledge if you click a suspicious link while logged in.
Conditions required to exploit
05Prerequisites
Admin must click a malicious link or visit an attacker-controlled page while logged into WordPress.
Key dates
06Disclosure timeline
April 12, 2025
CVE published
April 8, 2026
Record updated
