interface/js/app/history.js in WebUI in Rspamd before 1.6.3 allows XSS via the Subject and Message-Id headers, which are mishandled in the history page.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "1.6.2"
}
],
"cpes": [
"cpe:2.3:a:rspamd_project:rspamd:*:*:*:*:*:*:*:*"
],
"source": "CPE_RANGE",
"vendor_product": "rspamd_project:rspamd"
}
]
}