Tinyguestbook XSS

[tom <tom () g13net com>]

# Exploit Title: Tinyguestbook XSS
# Date: 01/03/12
# Author: G13
# Software Link: http://code.google.com/p/tinyguestbook/
# Category: webapps (php)
#

##### Vulnerability #####

There is no sanitation on the input of the msg variable. This allows 
malicious scripts to be added. This is a stored XSS

##### Vendor Notification #####

12/23/11 - Vendor Notified.
12/27/11 - Vendor email.
01/03/12 - No response, disclosure

##### Affected Variables #####

Msg=[XSS]

##### Exploit #####

The script can be added right in the page, there is no filtering of 
input.