WordPress Backup Migration Plugin PHP Filter Chain RCE
Description
This module exploits an unauth RCE in the WordPress plugin: Backup Migration (<= 1.3.7). The vulnerability is exploitable through the Content-Dir header which is sent to the /wp-content/plugins/backup-backup/includes/backup-heart.php endpoint. The exploit makes use of a neat technique called PHP Filter Chaining which allows an attacker to prepend bytes to a string by continuously chaining character encoding conversions. This allows an attacker to prepend a PHP payload to a string which gets evaluated by a require statement, which results in command execution.
Author(s)
- Nex Team
- Valentin Lobstein
- jheysel-r7
Platform
Linux,PHP,Unix,Windows
Architectures
php
Development
Module Options
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/multi/http/wp_backup_migration_php_filter
msf exploit(wp_backup_migration_php_filter) > show targets
...targets...
msf exploit(wp_backup_migration_php_filter) > set TARGET < target-id >
msf exploit(wp_backup_migration_php_filter) > show options
...show and set options...
msf exploit(wp_backup_migration_php_filter) > exploit
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