tiki-graph_formula.php in TikiWiki 1.9.8 allows remote attackers to execute arbitrary code via PHP sequences in the f array parameter, which are processed by create_function.
bugs.gentoo.org/show_bug.cgi?id=195503
osvdb.org/40478
secunia.com/advisories/27190
secunia.com/advisories/27344
securityreason.com/securityalert/3216
securityvulns.ru/Sdocument162.html
sourceforge.net/forum/forum.php?forum_id=744898
sourceforge.net/project/shownotes.php?release_id=546283&group_id=64258
www.gentoo.org/security/en/glsa/glsa-200710-21.xml
www.securityfocus.com/archive/1/482006/100/0/threaded
www.securityfocus.com/archive/1/482128/100/0/threaded
www.securityfocus.com/bid/26006
www.vupen.com/english/advisories/2007/3492
exchange.xforce.ibmcloud.com/vulnerabilities/37076
www.exploit-db.com/exploits/4509