Describe CVE-2013-6997.
What is CVE-2013-6997?
Multiple cross-site scripting (XSS) vulnerabilities in Open-Xchange (OX) AppSuite 7.4.0 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) an HTML email with crafted CSS code containing wildcards or (2) office documents containing "crafted hyperlinks with script URL handlers.".