Everest Forms <= 3.1.1 - Reflected Cross-Site Scripting

6.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-3421
CVSS 6.1 (Medium)
Publicly Published April 10, 2025
Last Updated April 11, 2025
Researcher mikemyers

Description

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.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI

Software Type Plugin
Software Slug everest-forms (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.1.2, or a newer patched version
Affected Version
  • <= 3.1.1
Patched Version
  • 3.1.2

Recent vulnerabilities in Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI

# Title CVE ID CVSS Researchers Date
1 Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.6.1 - Reflected Cross-Site Scripting CVE-2026-94670 6.1 neurotx October 2, 2026
2 Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.6.0 - Unauthenticated PHP Object Injection CVE-2026-62103 8.1 LueRader September 11, 2026
3 Everest Forms <= 3.4.4 - Unauthenticated Server-Side Request Forgery via Upload Field 'Previous Value' CVE-2026-5096 5.3 h0xilo August 27, 2026
4 Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.5.2 - Missing Authorization to Authenticated (Delegated+) Arbitrary Plugin Activation via REST API and AJAX Endpoints CVE-2026-13167 4.3 skyv3il August 15, 2026
5 Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.4.8 - Reflected Cross-Site Scripting CVE-2026-57312 6.1 bekitousei June 25, 2026
6 Everest Forms <= 3.4.0 - Unauthenticated Missing Authorization CVE-2026-12270 5.3 Pedro Pinho June 18, 2026
7 Everest Forms <= 3.4.0 - Unauthenticated Information Exposure CVE-2026-11571 5.3 Duy Tran June 18, 2026
8 Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder <= 3.4.7 - Missing Authorization to Authenticated (Subscriber+) Email Sending CVE-2026-4888 4.3 Quốc Huy (jtwings) May 27, 2026
9 Everest Forms <= 3.4.4 - Unauthenticated Arbitrary File Read and Deletion via Upload Field 'old_files' Parameter CVE-2026-5478 8.1 Bao Le April 20, 2026
10 Everest Forms <= 3.4.3 - Unauthenticated PHP Object Injection via Form Entry Metadata CVE-2026-3296 9.8 0xsabre April 7, 2026

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