Provide references for CVE-2021-3242.
Where can I find more information about CVE-2021-3242?
References are available at: https://www.star123.top/2021/01/16/duxcms3-1-3%E5%AE%A1%E8%AE%A1/, https://github.com/duxphp/DuxCMS3/issues/4.