Cloudflare Security Issue
Cloudflare is a content delivery network and is a popular SSL, encryption and DDoS protection company where you can protect your website or other services. Back in, 23 Feb 2017. They found out they had a memory leak that was caused by Cloudflare parser bug and it was exposing people’s passwords, usernames and other sensitive information.
This Cloudflare Security issue has already been resolved.
Cloudflare Announcement; https://blog.cloudflare.com/incident-report-on-memory-leak-caused-by-cloudflare-parser-bug/
Affected Sites; https://github.com/pirate/sites-using-cloudflare