CVE-2025-3421: Everest Forms <= 3.1.1 - Reflected Cross-Site Scripting
The Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'formid' parameter in all versions up to, and including, 3.1.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2025-3421?
CVE-2025-3421 is classified as a medium severity vulnerability due to the potential for exploitation via reflected cross-site scripting.
How do I fix CVE-2025-3421?
To fix CVE-2025-3421, update the Everest Forms plugin to the latest version beyond 3.1.1 where the vulnerability is resolved.
What versions of Everest Forms are affected by CVE-2025-3421?
CVE-2025-3421 affects all versions of the Everest Forms plugin up to and including version 3.1.1.
What type of vulnerability is CVE-2025-3421?
CVE-2025-3421 is a reflected cross-site scripting vulnerability stemming from inadequate input sanitization.
What parameter is exploited in CVE-2025-3421?
CVE-2025-3421 is exploited through the 'form_id' parameter in the Everest Forms plugin.