CVE-2016-3969 (email_gateway)
Cross-site scripting (XSS) vulnerability in McAfee Email Gateway (MEG) 7.6.x before 7.6.404, when File Filtering is enabled with the action set to ESERVICES:REPLACE, allows remote attackers to inject arbitrary web script or HTML via an attachment in a blocked email.
Source: CVE-2016-3969 (email_gateway)