Cross-site scripting (XSS) vulnerability in topic.php in phpMyForum 4.1.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the highlight parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27250
http://www.vupen.com/english/advisories/2006/2437
http://www.securityfocus.com/bid/18542
http://secunia.com/advisories/20678
http://pridels0.blogspot.com/2006/06/phpmyforum-413-xss-vuln.html