[web] Trapped source
In this challenge, we can start a docker image, but no source is provided, the website that is shown represent a combination lock.
As we do not have much to start from, let’s look at the source code of the page, which happen to contains the following:
<body>
<script>
window.CONFIG = window.CONFIG || {
buildNumber: "v20190816",
debug: false,
modelName: "Valencia",
correctPin: "8291",
}
</script>
Using the given PIN, the lock can be open