Cross Site Scriptiong vulnerabilityin Screenly screenly-ose all versions, including v1.8.2 (2019-09-25-Screenly-OSE-lite.img), in the 'Add Asset' page via manipulation of a 'URL' field, which could let a remote malicious user execute arbitrary code.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-21101.json"