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 'form_id' 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.
CVE-2025-3421 is a medium severity with CVSS 6.1 Cross-Site Scripting issue affecting the Plugin Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder. It affects Versions up to 3.1.1 and is fixed in 3.1.2.
CVE-2025-3421 is tracked for the Plugin Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder as medium severity with CVSS 6.1. The affected range is Versions up to 3.1.1. Update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder to 3.1.2 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
everest-forms
View on wordpress.org
|
| CVE | CVE-2025-3421 |
| Patched Versions |
3.1.2
|
| Affected Versions |
Versions up to 3.1.1
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Everest Forms <= 3.4.3 - Unauthenticated PHP Object Injection via Form Entry Metadata
Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress <= 3.1.1 - Unauthenticated PHP Object Injection
Everest Forms <= 3.0.9.4 - Unauthenticated Arbitrary File Upload, Read, and Deletion
Contact Form, Drag and Drop Form Builder for WordPress – Everest Forms <= 1.4.9 - SQL Injection
Everest Forms <= 3.4.4 - Unauthenticated Arbitrary File Read and Deletion via Upload Field 'old_files' Parameter
Everest Forms <= 3.2.2 - Unauthenticated PHP Object Injection
Everest Forms <= 2.0.7 - Unauthenticated Server-Side Request Forgery via font_url
Everest Forms <= 1.7.9 - Reflected Cross-Site Scripting
This record contains material that is subject to copyright
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. Read more
License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more
