WordPress before 5.2.4 does not properly consider type confusion during validation of the referer in the admin pages, possibly leading to CSRF.
blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html
core.trac.wordpress.org/changeset/46477
github.com/WordPress/WordPress/commit/b183fd1cca0b44a92f0264823dd9f22d2fd8b8d0
lists.debian.org/debian-lts-announce/2019/11/msg00000.html
seclists.org/bugtraq/2020/Jan/8
wordpress.org/news/2019/10/wordpress-5-2-4-security-release/
wpvulndb.com/vulnerabilities/9913
www.debian.org/security/2020/dsa-4599
www.debian.org/security/2020/dsa-4677