What the vulnerability does
01Description
Deserialization of Untrusted Data vulnerability in wpeverest Everest Forms - Frontend Listing everest-forms-frontend-listing allows Object Injection.This issue affects Everest Forms - Frontend Listing: from n/a through <= 1.0.5.
Explanation of Vulnerability in Simple Terms
02Summary
Everest Forms - Frontend Listing versions up to 1.0.5 contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the site. The plugin unsafely deserializes untrusted data from user input, enabling remote code execution without authentication or user interaction. Sites running affected versions should update immediately.
What an attacker can do
03Attacker Capabilities
Run arbitrary code on the site and take complete control of it.
Potential impact on your site
04Site Impact
Complete site compromise: attackers can steal data, modify content, create admin accounts, or take the site offline.
Conditions required to exploit
05Prerequisites
None. The attacker needs only network access; no authentication or user interaction required.
Key dates
06Disclosure timeline
October 22, 2025
CVE published
April 28, 2026
Record updated