index.pl in Miyabi CGI Tools SEO Links 1.02 allows remote attackers to execute arbitrary commands via shell metacharacters in the fn command. NOTE: some of these details are obtained from third party information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/59908
http://secunia.com/advisories/40419
http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0614.html