The WeChat module in YzmCMS 3.7.1 has reflected XSS via the admin/module/init.html echostr parameter, related to the valid function in application/wechat/controller/index.class.php.
Eval injection in yzmphp/core/function/global.func.php in YzmCMS v3.7.1 allows remote attackers to achieve arbitrary code execution via PHP code in the POST data of an index.php?m=member&c=member_content&a=init request.