Cross-site scripting (XSS) vulnerability in neomail.pl in NeoMail 1.27 allows remote attackers to inject arbitrary web script or HTML via the sort parameter. NOTE: some sources say that the affected parameter is "date," but the demonstration URL shows that it is "sort".
https://exchange.xforce.ibmcloud.com/vulnerabilities/24470
http://www.vupen.com/english/advisories/2006/0449
http://www.securityfocus.com/archive/1/423901/100/0/threaded