Multiple cross-site scripting (XSS) vulnerabilities in admin/login in X3 CMS 0.4.3.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) PATH_INFO, (2) username, or (3) password parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/72279
http://x3cms.bzr.sourceforge.net/bzr/x3cms/revision/984
http://x3cms.bzr.sourceforge.net/bzr/x3cms/revision/977
http://www.x3cms.net/en/news/article/dae363948eb4b27f8b02a84ca054c3fc/release_0.4.3.1
http://www.securityfocus.com/bid/51346
http://www.infoserve.de/system/files/advisories/INFOSERVE-ADV2011-04.txt