An Indian Hacker “Ethical Mohit” have found in Iframe Vulnerability in Contact Desk page of Google App Engine (Appspot) An Indian hacker has found in. Iframe. vulnerability in Contact. Desk page. The vulnerability was discovered by an Indian hacker on Google App. App Engine is easy to build, easy to maintain, and easy to scale as your traffic and data storage needs grow. With App Engine, there are no servers to maintain: You just upload your application, and it’s ready to serve your users.
Source: https://thehackernews.com/2011/08/iframe-vulnerability-in-google-app.html