Cross-site scripting (XSS) vulnerability in the mailform feature in CMSimple 2.7 fix1 allows remote attackers to inject arbitrary web script or HTML via the sender parameter. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31841
http://www.securityfocus.com/bid/22250