It is possible to inject HTML and/or JavaScript in the HTML to PDF conversion in Gotenberg through 6.2.1 via the /convert/html endpoint.
{ "versions": [ { "introduced": "0" }, { "last_affected": "6.2.1" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14161.json"