Invision Power Board (IPB) 2.1.7 and earlier allows remote restricted administrators to inject arbitrary web script or HTML, or execute arbitrary SQL commands, via a forum description that contains a crafted image with PHP code, which is executed when the user visits the "Manage Forums" link in the Admin control panel.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29352
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-5188
http://www.securityfocus.com/archive/1/447710/100/0/threaded