CVE-2026-6227

EIP tracks 1 public exploit for CVE-2026-6227. PoCs published by Pixel-DefaultBR.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2026-6227, an authenticated Local File Inclusion (LFI) vulnerability in the BackWPup WordPress plugin. It includes root cause analysis, exploit preconditions, and a proof-of-concept scenario with an example HTTP request.

The BackWPup plugin for WordPress is vulnerable to Local File Inclusion via the `block_name` parameter of the `/wp-json/backwpup/v1/getblock` REST endpoint in all versions up to, and including, 5.6.6 due to a non-recursive `str_replace()` sanitization of path traversal sequences. This makes it possible for authenticated attackers, with Administrator-level access and above, to include arbitrary PHP files on the server via crafted traversal sequences (e.g., `....//`), which can be leveraged to read sensitive files such as `wp-config.php` or achieve remote code execution in certain configurations. Administrators have the ability to grant individual users permission to handle backups, which may then allow lower-level users to exploit this vulnerability.