WordPress Easy Comment Uploads Plugin 'upload.php' Arbitrary File Upload Vulnerability

Bugtraq ID:	49556
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 12 2011 12:00AM
Updated:	Sep 12 2011 12:00AM
Credit:	Reported by the vendor
Vulnerable:	WordPress Easy Comment Uploads 0.61
Not Vulnerable:	WordPress Easy Comment Uploads 0.70

WordPress Easy Comment Uploads Plugin 'upload.php' Arbitrary File Upload Vulnerability

The Easy Comment Uploads plug-in 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 can exploit this vulnerability to upload arbitrary PHP code and run it in the context of the Web server process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible.

Easy Comment Uploads 0.61 is vulnerable; other versions may also be affected.

WordPress Easy Comment Uploads Plugin 'upload.php' Arbitrary File Upload Vulnerability

Attackers can use a browser to exploit this issue.

WordPress Easy Comment Uploads Plugin 'upload.php' Arbitrary File Upload Vulnerability

Solution:
The vendor has released an update. Please see the references for details.

WordPress Easy Comment Uploads Plugin 'upload.php' Arbitrary File Upload Vulnerability

References:

• Changes in easy-comment-uploads/trunk/main.php [417432:433370] (WordPress)
  
• Easy Comment Uploads Changelog (WordPress)
  
• WordPress Homepage (WordPress)