Multiple cross-site scripting (XSS) vulnerabilities in freePBX 2.2.x allow remote attackers to inject arbitrary web script or HTML via the (1) From, (2) To, (3) Call-ID, (4) User-Agent, and unspecified other SIP protocol fields, which are stored in /var/log/asterisk/full and displayed by admin/modules/logfiles/asterisk-full-log.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33772
http://www.vupen.com/english/advisories/2007/1535
http://www.securityfocus.com/bid/23575
http://securityreason.com/securityalert/2627