simple-markdown.js in Khan Academy simple-markdown before 0.4.4 allows XSS via a data: or vbscript: URI.
{
"unresolved_ranges": [
{
"source": "CPE_STRING",
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"introduced": "30"
},
{
"last_affected": "30"
}
],
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
]
}
]
}{
"cpe": "cpe:2.3:a:khanacademy:simple-markdown:*:*:*:*:*:node.js:*:*",
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "0.4.4"
}
]
}