[原文]Multiple cross-site scripting (XSS) vulnerabilities in XMB (aka extreme message board) 1.9 beta (aka Nexus beta) allow remote attackers to inject arbitrary web script or HTML via (1) the u2uheader parameter in editprofile.php, the restrict parameter in (2) member.php, (3) misc.php, and (4) today.php, and (5) an arbitrary parameter in phpinfo.php.
XMB Forum contains a flaw that allows a remote cross site scripting attack. This flaw exists because the application does not validate the 'u2uheader' variable upon submission to the editprofile.php script. This could allow a user to create a specially crafted URL that would execute arbitrary code in a user's browser within the trust relationship between the browser and the server, leading to a loss of integrity.
Upgrade to version 1.9.1 Final or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.