The Cloudflare Wordpress plugin was found to be vulnerable to improper authentication. The vulnerability enables attackers with a lower privileged account to access data from the Cloudflare API.
https://github.com/cloudflare/Cloudflare-WordPress/security/advisories/GHSA-h2fj-7r3m-7gf2
https://github.com/cloudflare/Cloudflare-WordPress/releases/tag/v4.12.3