In Horde Groupware 5.2.19-5.2.22, there is XSS via the URL field in a "Calendar -> New Event" action.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:horde:groupware:*:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"range": [
{
"introduced": "5.2.19"
},
{
"last_affected": "5.2.22"
}
],
"source": "CPE_RANGE"
}
],
"vendor_product": "horde:groupware"
}
]
}