Provide references for CVE-2018-6656.
Where can I find more information about CVE-2018-6656?
References are available at: https://github.com/zblogcn/zblogphp/commit/c51da34a27798b5fe6d1cb5133a15da6a6384e43, https://github.com/zblogcn/zblogphp/issues/175.