SQL injection vulnerability in serendipity/serendipity_admin.php in Serendipity before 1.6.1 allows remote attackers to execute arbitrary SQL commands via the serendipity[plugin_to_conf] parameter. NOTE: this issue might be resultant from cross-site request forgery (CSRF).
http://www.openwall.com/lists/oss-security/2012/05/09/2
http://www.openwall.com/lists/oss-security/2012/05/08/6
http://blog.s9y.org/archives/240-Serendipity-1.6.1-released.html
http://archives.neohapsis.com/archives/bugtraq/2012-05/0037.html