Cross-site scripting (XSS) vulnerability in the nonjs interface (interfaces/nonjs.pm) in CGI:IRC before 0.5.10 allows remote attackers to inject arbitrary web script or HTML via the R parameter.
http://www.vupen.com/english/advisories/2011/0346
http://www.securityfocus.com/archive/1/516328/100/0/threaded
http://www.debian.org/security/2011/dsa-2158
http://sourceforge.net/mailarchive/message.php?msg_id=27024589
http://securityreason.com/securityalert/8097