In mapfish-print before version 3.24, a user can use the JSONP support to do a Cross-site scripting.
{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.24"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:mapfish:print:*:*:*:*:*:*:*:*"
}