An issue was discovered in WSO2 API Manager 2.6.0 before WSO2-CARBON-PATCH-4.4.0-4457. There is XSS via a crafted filename to the file-upload feature of the event simulator component.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-15108.json"