CVE-2021-47753

CRITICAL

9.8

Descripcion

phpKF CMS 3.00 Beta y6 contains an unauthenticated file upload vulnerability that allows remote attackers to execute arbitrary code by bypassing file extension checks. Attackers can upload a PHP file disguised as a PNG, rename it, and execute system commands through a crafted web shell parameter.

Detalles CVE

Puntuacion CVSS v3.19.8

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado1/15/2026

Ultima modificacion1/23/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

phpkf:cms

Debilidades (CWE)

CWE-434

Referencias

https://www.exploit-db.com/exploits/50610(disclosure@vulncheck.com)

https://www.phpkf.com/(disclosure@vulncheck.com)

https://www.phpkf.com/indirme.php(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50610(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.