Xavi 7968 ADSL Router - '/webconfig/lan/lan_config.html/local_lan_config?host_name_txtbox' Cross-Site Scripting

source: https://www.securityfocus.com/bid/52098/info
 
Xavi 7968 ADSL Router is prone to cross-site scripting, HTML-injection and cross-site request forgery vulnerabilities.
 
The attacker can exploit the issues to execute arbitrary script code in the context of the vulnerable site, potentially allowing the attacker to steal cookie-based authentication credentials, or perform certain administrative functions on victim's behalf. Other attacks are also possible.
 
http://www.example.com/webconfig/lan/lan_config.html/local_lan_config?ip_add_txtbox=www.example2.com&sub_mask_txtbox=255.255.255.0&host_name_txtbox=Hack<SCRIPT>alert(document.cookie)</script>&domain_name_txtbox=local.lan&mtu_txtbox=1500&next=Apply