What the vulnerability does
01Description
The Redirection for Contact Form 7 plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.2.4 via deserialization of untrusted input in the get_lead_fields function. This makes it possible for unauthenticated attackers to inject a PHP Object. The additional presence of a POP chain in a Contact Form 7 plugin allows attackers to delete arbitrary files. Additionally, in certain server configurations, Remote Code Execution is possible
Explanation of Vulnerability in Simple Terms
02Summary
Redirection for Contact Form 7 versions up to 3.2.4 deserialize untrusted data without validation, allowing an attacker to execute arbitrary PHP code on the site. The vulnerability requires user interaction—typically a victim must click a malicious link or visit a crafted page. This affects confidentiality, integrity, and availability of the WordPress site.
What an attacker can do
03Attacker Capabilities
Run arbitrary PHP code on the site and take full control of it.
Potential impact on your site
04Site Impact
An attacker can compromise your entire WordPress site, steal data, modify content, or disable it.
Conditions required to exploit
05Prerequisites
No authentication required, but the victim must click a link or visit a page the attacker controls.
Key dates
06Disclosure timeline
August 20, 2025
CVE published
April 8, 2026
Record updated
