The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://squidclamav.darold.net/news.html http://www.vuxml.org/freebsd/ce680f0a-eea6-11e1-8bd8-0022156e8794.html

The following package is affected: squidclamav CVE-2012-4667 Multiple cross-site scripting (XSS) vulnerabilities in SquidClamav 5.x before 5.8 allow remote attackers to inject arbitrary web script or HTML via the (1) url, (2) virus, (3) source, or (4) user parameter to (a) clwarn.cgi, (b) clwarn.cgi.de_DE, (c) clwarn.cgi.en_EN, (d) clwarn.cgi.fr_FR, (e) clwarn.cgi.pt_BR, or (f) clwarn.cgi.ru_RU in cgi-bin/.