WordPress before 4.8.3 is affected by an issue where $wpdb->prepare() can create unexpected and unsafe queries leading to potential SQL injection (SQLi) in plugins and themes, as demonstrated by a "double prepare" approach, a different vulnerability than CVE-2017-14723.
https://www.debian.org/security/2018/dsa-4090
https://wpvulndb.com/vulnerabilities/8941
https://wordpress.org/news/2017/10/wordpress-4-8-3-security-release/
https://lists.debian.org/debian-lts-announce/2017/11/msg00003.html
https://github.com/WordPress/WordPress/commit/a2693fd8602e3263b5925b9d799ddd577202167d
https://codex.wordpress.org/Version_4.8.3
https://blog.ircmaxell.com/2017/10/disclosure-wordpress-wpdb-sql-injection-technical.html