Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2025-13231

Gravedad CVSS v3.1:
MEDIA
Tipo:
CWE-362 Ejecución concurrente utilizando recursos compartidos con una incorrecta sincronización (Condición de carrera)
Fecha de publicación:
16/12/2025
Última modificación:
16/12/2025

Descripción

*** Pendiente de traducción *** The Fancy Product Designer plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.4.8. This is due to a time-of-check/time-of-use (TOCTOU) race condition in the 'url' parameter of the fpd_custom_uplod_file AJAX action. The plugin validates the URL by calling getimagesize() first, then later retrieves the same URL using file_get_contents(). This makes it possible for unauthenticated attackers to exploit the timing gap to perform SSRF attacks by serving a valid image during validation, then changing the response to redirect to arbitrary internal or external URLs during the actual fetch.