Eval injection vulnerability in ip_cms/modules/standard/content_management/actions.php in ImpressPages CMS 1.0.12 and possibly other versons before 1.0.13 allows remote attackers to execute arbitrary code via the cm_group parameter.
http://www.securityfocus.com/bid/49798
http://www.openwall.com/lists/oss-security/2012/01/18/12
http://www.openwall.com/lists/oss-security/2012/01/15/9
http://www.impresspages.org/news/impresspages-1-0-13-security-release/