Solution : https://service.sap.com/sap/support/notes/1676981 (SAP Service marketplace login required)
Key words :
process deviating vendor confirmations, sufficiently encode output parameters, cross-site scripting issue, terms cross-site scripting, modify displayed application content, potentially obtain authentification information, business package external procurement, cross-site scripting, external procurement reason, business package
Related Notes :
1582870 | ABAP XSS Escaping Support |
1582867 | Security options (XSS) for ESCAPE |