code/sitefeatures/PageCommentInterface.php
in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.
www.openwall.com/lists/oss-security/2012/04/30/1
www.openwall.com/lists/oss-security/2012/04/30/3
github.com/silverstripe/silverstripe-cms
github.com/silverstripe/silverstripe-cms/commit/d15e8509b01ff2dbbe3028a055021a29b1065b22
nvd.nist.gov/vuln/detail/CVE-2011-4962
web.archive.org/web/20120621234353/doc.silverstripe.org/framework/en/trunk/changelogs/2.4.6