In WordPress before 5.2.3, validation and sanitization of a URL in wpvalidateredirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward slash.
{ "urgency": "not yet assigned" }
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-16220.json"