wordpress is vulnerable to server-side request forgery (SSRF). Windows paths are mishandled when validating certain relative URLs, allowing the bypass of the URL redirection validation.
blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html
core.trac.wordpress.org/changeset/46472
github.com/WordPress/WordPress/commit/9db44754b9e4044690a6c32fd74b9d5fe26b07b2
lists.debian.org/debian-lts-announce/2019/11/msg00000.html
lists.debian.org/debian-lts-announce/2020/09/msg00011.html
lists.debian.org/debian-lts-announce/2022/10/msg00010.html
wordpress.org/news/2019/10/wordpress-5-2-4-security-release/
wpvulndb.com/vulnerabilities/9912