In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing a crafted HTML fragment.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"last_affected": "9.0"
}
],
"vendor_product": "debian:debian_linux"
}
]
}{
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.2.1"
}
],
"cpe": "cpe:2.3:a:loofah_project:loofah:*:*:*:*:*:ruby:*:*"
}