Vulnerabilidad · Publicado 17/10/2026
El plugin Kirki (versiones hasta 6.3.2) para WordPress es vulnerable a inyección de objetos PHP mediante deserialización de datos no confiables. La vulnerabilidad afecta a sitios WordPress con administradores comprometidos o con acceso no autorizado a paneles de control. En México y Latinoamérica, miles de sitios pequeños y medianos utilizan este constructor visual sin mantener parches actualizados, exponiendo bases de datos y contenido sensible.
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 6.3.2 via deserialization of untrusted input . This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present. By default, Editor-level users are granted FULL_ACCESS to the plugin's import endpoint via the KIRKI_USERS_DEFAULT_FULL_ACCESS configuration, meaning exploitation is possible at Editor privilege level rather than being restricted to administrators alone.
Score: 7.2/10 — Severidad: HIGH — Estado NIST: Received
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-502
Publicado en NIST NVD.