Cross-site scripting (XSS) vulnerability in index.php for Invision Power Board 1.3 final allows remote attackers to execute arbitrary script as other users via the (1) c, (2) f, (3) showtopic, (4) showuser, or (5) username parameters.Referenceshttp://www.securityfocus.com/bid/9768http://www.osvdb.org/4154https://exchange.xforce.ibmcloud.com/vulnerabilities/15403http://marc.info/?l=bugtraq&m=107851589701916&w=2http://secunia.com/advisories/11053
