Serendipity before 2.1.5 has XSS via EXIF data that is mishandled in the templates/2k11/admin/mediachoose.tpl Editor Preview feature or the templates/2k11/admin/mediaitems.tpl Media Library feature.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-11870.json"