lib/DocumentToText.php in OpenCats before 0.9.4-3 has XXE that allows remote users to read files on the underlying operating system. The attacker must upload a file in the docx or odt format.
{ "versions": [ { "introduced": "0" }, { "fixed": "0.9.4-3" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13358.json"