Cross-site scripting (XSS) vulnerability in register.php in FreshScripts Fresh Email Script 1.0 through 1.11 allows remote attackers to inject arbitrary web script or HTML via the Email parameter. NOTE: this can be leveraged to modify cookies and conduct session fixation attacks.
https://www.exploit-db.com/exploits/7080
https://exchange.xforce.ibmcloud.com/vulnerabilities/46529
http://www.vupen.com/english/advisories/2008/3096