Multiple SQL injection vulnerabilities in phpYellowTM Pro Edition and Lite Edition 5.33 allow remote attackers to execute arbitrary SQL commands via the (1) haystack parameter to search_result.php or (2) ckey parameter to print_me.php.
http://www.vupen.com/english/advisories/2005/2722
http://secunia.com/advisories/17849
http://pridels0.blogspot.com/2005/12/phpyellowtm-pro-edition-sql-inj-vuln.html