CVE-2021-47753

CRITICAL

9.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/15/2026

Ultima modificacao1/23/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

phpkf:cms

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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