An issue in Oneblog V2.3.9 allows a remote attacker to obtain sensitive information via the RestApiController.java, JsApiTicketComponent.java, and the GetAccessTokenComponent.java component
https://github.com/zhangyd-c/OneBlog/issues/43
https://gist.github.com/Passwords404/2599df955cdb36b36b9551b5b7809114
https://developers.weixin.qq.com/doc/offiaccount/Basic_Information/Get_access_token.html