An issue was discovered in weixin-java-tools v3.3.0. There is an XXE vulnerability in the getXmlDoc method of the BaseWxPayResult.java file. NOTE: this issue exists because of an incomplete fix for CVE-2018-20318.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-5312.json"