Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/69025
https://bugzilla.redhat.com/show_bug.cgi?id=729162
http://www.zabbix.com/rn1.8.6.php
http://www.securityfocus.com/bid/49016
http://www.openwall.com/lists/oss-security/2011/08/09/5
http://www.openwall.com/lists/oss-security/2011/08/08/2
http://secunia.com/advisories/45677
http://secunia.com/advisories/45502
http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063904.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063884.html