CVE-2025-39354 – WordPress Grand Conference theme <= 5.2 - PHP Object Injection vulnerability

https://notcve.org/view.php?id=CVE-2025-39354

21 Apr 2025 — Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference allows Object Injection.This issue affects Grand Conference: from n/a through 5.2. The Grand Conference plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 5.2 via deserialization of untrusted input. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or the... • https://patchstack.com/database/wordpress/plugin/grandconference/vulnerability/wordpress-grand-conference-theme-5-2-php-object-injection-vulnerability?_s_id=cve • CWE-502: Deserialization of Untrusted Data •