Cross-site scripting (XSS) vulnerability in 4images 1.7.7 and earlier allows remote authenticated users to inject arbitrary web script or HTML by providing a crafted user_homepage parameter to member.php, and then posting a comment associated with a picture.
https://www.exploit-db.com/exploits/8936
https://exchange.xforce.ibmcloud.com/vulnerabilities/51090
http://www.vupen.com/english/advisories/2009/1582
http://www.securityfocus.com/bid/35342
http://www.4homepages.de/forum/index.php?topic=15186.0