Cross-site scripting (XSS) vulnerability in Open WebMail (OWM) 2.52, and other versions released before 05/12/2006, allows remote attackers to inject arbitrary web script or HTML via the (1) To and (2) From fields in openwebmail-main.pl, and possibly (3) other unspecified vectors related to "openwebmailerror calls that need to display HTML."
https://exchange.xforce.ibmcloud.com/vulnerabilities/27309
http://www.attrition.org/pipermail/vim/2006-June/000902.html
http://secunia.com/advisories/20714