A cross-site scripting (XSS) vulnerability in the component install\install.sql of Xiuno BBS 4.0.4 allows attackers to execute arbitrary web scripts or HTML via changing the doctype value to 0.Referenceshttps://gitee.com/xiuno/xiunobbs/issues/I16BHHhttps://github.com/wanghaiwei/xiuno-docker/issues/4
