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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2026-0303
Remote Code Execution vulnerability in Everest Forms Pro plugin of WordPress

Original Issue Date:June 11, 2026

Severity Rating: CRITICAL

Software Affected

  • Everest Forms Pro WordPress plugin versions prior to 1.9.13

Overview

A vulnerability has been reported in the Everest Forms Pro plugin for WordPress which could allow an unauthenticated attacker to execute arbitrary code on the targeted system.

Target Audience:
All end user organizations and individuals using Everest Forms Pro plugin for WordPress.

Risk Assessment:
High risk of unauthenticated arbitrary code execution, unauthorized administrative access, and service disruption.

Impact Assessment:
Potential for complete compromise of website.

Description

Everest Forms Pro is a WordPress plugin used to create contact forms, registration forms, payment forms, surveys, and other custom forms.

A critical vulnerability exists in the Everest Forms Pro plugin due to improper input sanitization. An attacker could exploit this vulnerability by sending crafted form inputs when the Complex Calculation feature is enabled.

Successful exploitation of this vulnerability could allow an unauthenticated attacker to execute arbitrary PHP code on the targeted system.

Note: The vulnerability (CVE-2026-3300) is being actively exploited in the wild.

Solution

Apply appropriate fix/patches as mentioned:
https://www.wordfence.com/blog/2026/06/attackers-actively-exploiting-critical-vulnerability-in-everest-forms-pro-plugin/

Vendor Information

Everest Forms
https://everestforms.net/

References

 
https://www.wordfence.com/blog/2026/06/attackers-actively-exploiting-critical-vulnerability-in-everest-forms-pro-plugin/

CVE Name
CVE-2026-3300

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-22902657

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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