CRLF injection vulnerability in premium/index.php in Shop-Script allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via CRLF sequences in the (1) links_exchange, (2) news, (3) search_with_change_category_ability, (4) logging, (5) feedback, (6) show_price, (7) register, (8) answer, (9) productID, and (10) inside parameters.
http://www.vupen.com/english/advisories/2006/4219
http://www.securityfocus.com/bid/20685
http://www.securityfocus.com/archive/1/449499/100/0/threaded