Electron Inc. Advanced Electron Forum before 1.0.7 allows remote attackers to execute arbitrary PHP code via PHP code embedded in bbcode in the email parameter, which is processed by the preg_replace function with the eval switch.
secunia.com/advisories/31978
securityreason.com/securityalert/4598
www.anelectron.com/board/index.php?tid=3282
www.gulftech.org/?node=research&article_id=00131-09202008
www.securityfocus.com/archive/1/496552/100/0/threaded
www.securityfocus.com/bid/31268
exchange.xforce.ibmcloud.com/vulnerabilities/45270
www.exploit-db.com/exploits/6499