{"id":"CVE-2019-16220","details":"In WordPress before 5.2.3, validation and sanitization of a URL in wp_validate_redirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward slash.","modified":"2026-03-20T11:28:24.554517Z","published":"2019-09-11T14:15:11.947Z","references":[{"type":"WEB","url":"https://medium.com/@theodorejackson.us/rediscovering-an-old-vulnerability-cve-2019-16220-d25cc441752f"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4677"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2020/Jan/8"},{"type":"ADVISORY","url":"https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/"},{"type":"ADVISORY","url":"https://wpvulndb.com/vulnerabilities/9863"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4599"},{"type":"FIX","url":"https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28"},{"type":"FIX","url":"https://core.trac.wordpress.org/changeset/45971"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wordpress/wordpress","events":[{"introduced":"0"},{"fixed":"95929621e87a8f6e3fa22f7168ecdf4b5ae9417e"},{"fixed":"c86ee39ff4c1a79b93c967eb88522f5c09614a28"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"5.2.3"}]}}],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-16220.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}