ThinkSNS开发的微博程序存在过滤不严

### 简要描述： 存在上传文件过滤不严漏洞！可直接上传ASP，PHP等网马后纂名的文件！ ### 详细说明： 存在上传文件过滤不严，可直接上传危险后纂名文件！ ### 漏洞证明： [<img src="https://images.seebug.org/upload/201304/11230734fd75c35f58c306c28d8ece3fbd82e040.jpg" alt="1.jpg" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201304/11230734fd75c35f58c306c28d8ece3fbd82e040.jpg) [<img src="https://images.seebug.org/upload/201304/11230749344c79288a545911c5975ade0cbdedff.jpg" alt="2.jpg" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201304/11230749344c79288a545911c5975ade0cbdedff.jpg) [<img src="https://images.seebug.org/upload/201304/11230819acfa17b669e1dc87223bb5d36494de59.jpg" alt="3.jpg" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201304/11230819acfa17b669e1dc87223bb5d36494de59.jpg) [<img src="https://images.seebug.org/upload/201304/112308312af8830907cb94051d4380e538716209.jpg" alt="34.jpg" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201304/112308312af8830907cb94051d4380e538716209.jpg) 上传WEBSHELL以后，