Webmin before 1.296 and Usermin before 1.226 do not properly handle a URL with a null ("%00") character, which allows remote attackers to conduct cross-site scripting (XSS), read CGI program source code, list directories, and possibly execute programs.
https://exchange.xforce.ibmcloud.com/vulnerabilities/28699
http://www.vupen.com/english/advisories/2006/3424
http://www.securityfocus.com/bid/19820
http://www.mandriva.com/security/advisories?name=MDKSA-2006:170
http://www.lac.co.jp/business/sns/intelligence/SNSadvisory_e/89_e.html
http://www.debian.org/security/2006/dsa-1199
http://webmin.com/security.html
http://securitytracker.com/id?1016777
http://securitytracker.com/id?1016776
http://secunia.com/advisories/22556
http://secunia.com/advisories/22114
http://secunia.com/advisories/22087