Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "4.6"
}
],
"source": "CPE_FIELD",
"cpe": "cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:*"
},
{
"extracted_events": [
{
"last_affected": "4.7"
}
],
"source": "CPE_FIELD",
"cpe": "cpe:2.3:a:redhat:cloudforms:4.7:*:*:*:*:*:*:*"
}
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.0.2"
}
],
"source": [
"CPE_FIELD",
"REFERENCES"
],
"cpe": "cpe:2.3:a:sinatrarb:sinatra:*:*:*:*:*:*:*:*"
}