SAP Internet Graphics Servers (IGS) running versions 7.20, 7.20EXT, 7.45, 7.49, or 7.53 has two XML external entity injection (XXE) vulnerabilities within the XMLCHART page - CVE-2018-2392 and CVE-2018-2393. These vulnerabilities occur due to a lack of appropriate validation on the Extension HTML tag when submitting a POST request to the XMLCHART page to generate a new chart.
View the template here CVE-2018-2392.yaml
References:
https://www.rapid7.com/db/modules/auxiliary/admin/sap/sap_igs_xmlchart_xxe/