There is XSS in BoostIO Boostnote 0.11.15 via a label named mermaid, as demonstrated by a crafted SRC attribute of an IFRAME element.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:boostio:boostnote:0.11.15:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.11.15"
},
{
"last_affected": "0.11.15"
}
],
"source": "CPE_STRING"
}
]
}