When viewing uploaded data with syntax highlighting via /s/ route, data is not being sanitized properly.
To replicate upload code with embedded HTML tags and view with the syntax highlighting route.
complete: function(token) {
$html = ['<div class="misc-done">',
'<label for="url">The URL!</label><input type="text" name="url" class="inside url" value="',
document.location.href + token.responseJSON.token,
'" />',
'</div>'
].join('');
Example

When viewing uploaded data with syntax highlighting via
/s/route, data is not being sanitized properly.To replicate upload code with embedded HTML tags and view with the syntax highlighting route.
Example