SQL injection vulnerability in okiraku.php in O-Kiraku Nikki 1.3 and earlier allows remote attackers to execute arbitrary SQL commands via the day_id parameter.
http://www.vupen.com/english/advisories/2005/2668
http://secunia.com/advisories/17795
http://pridels0.blogspot.com/2005/11/o-kiraku-nikki-v13-sql-inj-vuln.html