Cross-site scripting (XSS) vulnerability in YaBB.pl in YaBB 1 GOLD SP 1.3.2 allows remote attackers to inject arbitrary web script or HTML via a hex-encoded to parameter. NOTE: some sources say that the board parameter is affected, but this is incorrect.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17452
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-2393
http://www.securityfocus.com/bid/11215
http://secunia.com/advisories/12593
http://archives.neohapsis.com/archives/bugtraq/2004-09/0227.html