showdoc makes use of a hardcoded salt in its user password hash function
github.com/star7th/showdoc
github.com/star7th/showdoc/blob/fd1740234a12804b45af9cac3563567d83ba414d/server/Application/Home/Model/UserModel.class.php#L20
github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370
huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2
nvd.nist.gov/vuln/detail/CVE-2021-3680