CVE-2011-2937 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2937): Cross-site scripting (XSS) vulnerability in the UI messages functionality in Roundcube Webmail before 0.5.4 allows remote attackers to inject arbitrary web script or HTML via the _mbox parameter to the default URI.
Already fixed; closing noglsa.