AShop 5.3.4 Cross Site Scripting

`HTTPCS Advisory : HTTPCS104  
Product : AShop  
Version : 5.3.4  
Date : 2012-09-20  
Criticality level : Less Critical  
Description : A vulnerability has been discovered in AShop, which can be  
exploited by malicious people to conduct cross-site scripting attacks. Input  
passed via the 'language' parameter to '/language.php' is not properly sanitised  
before being returned to the user. This can be exploited to execute arbitrary  
HTML and script code in a user's browser session in context of an affected site.  
Page : /language.php  
Variables : language=[VulnHTTPCS]  
Type : XSS  
Method : GET  
Solution : The vulnerability has been fixed in version 5.3.5  
http://www.ashopsoftware.com/update/release-notes.html  
References : https://www.httpcs.com/advisory/httpcs104  
Credit : HTTPCS [Web Vulnerability Scanner]  
`