The WikibaseMediaInfo extension 1.35 for MediaWiki allows XSS because of improper template syntax within the PropertySuggestionsWidget template (in the templates/search/PropertySuggestionsWidget.mustache+dom file).
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.35"
}
],
"cpe": "cpe:2.3:a:mediawiki:mediawiki:1.35:*:*:*:*:*:*:*",
"source": "CPE_STRING"
}