XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's suggestedfilename is used as the pdfname value in PDF.js.
{
"unresolved_ranges": [
{
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "11.0"
}
],
"cpe": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
}
]
}{
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "40.4"
},
{
"introduced": "41.0"
},
{
"fixed": "41.1"
}
],
"cpe": "cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*"
}