Provide references for CVE-2020-18913.
Where can I find more information about CVE-2020-18913?
References are available at: http://tusk1.cn/2019/03/21/ESPCMS-P8%E5%89%8D%E5%8F%B0SQL%E6%B3%A8%E5%85%A5%E4%B8%8E%E6%96%87%E4%BB%B6%E5%8C%85%E5%90%AB%E6%BC%8F%E6%B4%9E/.