### 简要描述:
你可以看不惯我装逼,但不可以阻止我装逼 by:helen
### 详细说明:
DOYO通用建站系统采用PHP与MYSQL开发,是免费开源的CMS建站、企业建站系统,可广泛用于个人、企业、政府、机构等众多网站建设
官网地址:wdoyo.com
官方提供demo但数据不可以入库:http://demo.wdoyo.com/
所以只能本地演示了
本地搭建以后注册个会员,点击在线充值查看一下当前的余额(我这里之前刷的成了29.8)
[<img src="https://images.seebug.org/upload/201501/2713403043d399f54c43809be1632edbd91acabc.png" alt="1.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/2713403043d399f54c43809be1632edbd91acabc.png)
接下来开始刷钱~先来到首页随便选一个商品
[<img src="https://images.seebug.org/upload/201501/2713404108efd872df780d50827d3ec16b555bd6.png" alt="2.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/2713404108efd872df780d50827d3ec16b555bd6.png)
选好最后点击立刻购买
[<img src="https://images.seebug.org/upload/201501/27134049d0077e325643e33c0d01c4532adaa116.png" alt="3.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/27134049d0077e325643e33c0d01c4532adaa116.png)
然后burp抓包,把数量改成-1(-10,-100甚至-1000都可以~)
[<img src="https://images.seebug.org/upload/201501/27134057153bbc180592788d68dc72eb36375654.png" alt="4.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/27134057153bbc180592788d68dc72eb36375654.png)
之后查看价格已经变成了-593
[<img src="https://images.seebug.org/upload/201501/271341037e17a565cf550dba916e35b81fd40056.png" alt="5.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/271341037e17a565cf550dba916e35b81fd40056.png)
这时候把信息都填好以后点击提交
[<img src="https://images.seebug.org/upload/201501/27134112ef41125b7c2a98a5472a02f1e863bb5e.png" alt="6.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/27134112ef41125b7c2a98a5472a02f1e863bb5e.png)
支付以后再返回会员中心查看一下余额已经变成了622.80~
[<img src="https://images.seebug.org/upload/201501/271341226d68804cadd992cc1be2ba6a2c67a150.png" alt="7.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/271341226d68804cadd992cc1be2ba6a2c67a150.png)
### 漏洞证明:
[<img src="https://images.seebug.org/upload/201501/271341226d68804cadd992cc1be2ba6a2c67a150.png" alt="7.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201501/271341226d68804cadd992cc1be2ba6a2c67a150.png)
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