CVE-2025-8871 Everest Forms (Pro) <= 1.9.7 - Unauthenticated PHP Object Injection via PHAR Deserialization in Form Signature

The Everest Forms Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.9.7 via deserialization of untrusted input in the mimecontenttype function. This makes it possible for unauthenticated attackers to inject a PHP Object. This vulnerability may ...

CVE-2025-8871

CVE-2025-8871: Everest Forms Pro for WordPress (≤1.9.7) is vulnerable to unauthenticated PHP Object Injection via PHAR deserialization in mime_content_type(). Attackers can inject a PHP object when a form with a non-required signature field and image upload is present. No POP chain is in the core...

WordPress Everest Forms Pro plugin <= 1.9.7 - Unauthenticated PHP Object Injection via PHAR Deserialization in Form Signature vulnerability

Unauthenticated PHP Object Injection via PHAR Deserialization in Form Signature vulnerability discovered by Alex Thomas - Wordfence in WordPress Plugin Everest Forms Pro versions = 1.9.7...