The Quick Buttons feature in Konversation 0.15 allows remote attackers to execute certain IRC commands via a channel name containing "%" variables, which are recursively expanded by the Server::parseWildcards function when the Part Button is selected.
https://exchange.xforce.ibmcloud.com/vulnerabilities/19025
http://www.securityfocus.com/bid/12312
http://www.kde.org/info/security/advisory-20050121-1.txt
http://www.gentoo.org/security/en/glsa/glsa-200501-34.xml
http://securitytracker.com/id?1012972
http://secunia.com/advisories/13989
http://secunia.com/advisories/13919
http://marc.info/?l=bugtraq&m=110626383310742&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2005-January/031033.html