SQL injection vulnerability in blog.php in Orca Blog 1.3b and earlier allows remote attackers to execute arbitrary SQL commands via the msg parameter.
http://www.vupen.com/english/advisories/2005/2656
http://www.greywyvern.com/orca#blog
http://secunia.com/advisories/17804
http://pridels0.blogspot.com/2005/11/orca-blog-sql-inj-vuln.html