showdoc is vulnerable to Cross-Site Request Forgery (CSRF)
https://github.com/advisories/GHSA-6pqm-xvfc-w7p4
https://huntr.dev/bounties/0aa84736-139b-4ae7-becf-604f7f60b1c9
https://github.com/star7th/showdoc/commit/654e871a3923e79076818a9a03533fe88222c871