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).
{ "versions": [ { "introduced": "0" }, { "last_affected": "1.35" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-6163.json"