WordPress Contact Form 7 Plugin Arbitrary File Upload Vulnerability

Bugtraq ID:	63881
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Nov 22 2013 12:00AM
Updated:	Nov 22 2013 12:00AM
Credit:	MustLive
Vulnerable:	Contact Form 7 Contact Form 7 3.5.2
Not Vulnerable:	Contact Form 7 Contact Form 7 3.5.3

WordPress Contact Form 7 Plugin Arbitrary File Upload Vulnerability

The Contact Form 7 plugin for WordPress is prone to a vulnerability that lets attackers upload arbitrary files. The issue occurs because the application fails to adequately sanitize user-supplied input.

An attacker may leverage this issue to upload arbitrary files to the affected computer; this can result in arbitrary code execution within the context of the vulnerable application.

Versions prior to Contact Form 7 3.5.3 are vulnerable.

WordPress Contact Form 7 Plugin Arbitrary File Upload Vulnerability

Attackers can exploit this issue through a browser.

WordPress Contact Form 7 Plugin Arbitrary File Upload Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

WordPress Contact Form 7 Plugin Arbitrary File Upload Vulnerability

References:

• Code Execution vulnerability in Contact Form 7 for WordPress (Fulldisclosure)
  
• Contact Form 7 3.5.3 (Contact Form 7)
  
• WordPress HomePage (WordPress)