Kivitendo before 3.9.2 allows XXE injection. By uploading an electronic invoice in the ZUGFeRD format, it is possible to read and exfiltrate files from the server's filesystem.
{ "versions": [ { "introduced": "0" }, { "fixed": "3.9.2" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66370.json"