HTS Basic Mission 3

What is HTS? Link to Basic Mission 3.


This time Network Security Sam remembered to upload the password file, but there were deeper problems than that.

What You Need?

  1. Basic HTML knowledge + learn to Read Source.
  2. A Browser.

Let’s Start Hacking!

This time, he remembered to upload the password. Oh noes! We won’t be able to hack anymore!

WAIT! Not really…

Let’s view the source. If you do not know how to view source, please read Basic Mission 1.

Damn! There’s no <!-- Tags, and he remembered to upload password file. What can we do? View the source and we get some interesting stuff.

<form action="/missions/basic/3/index.php" method="post">
<input type="hidden" name="file" value="password.php" />
<input type="password" name="password" /><br /><br />
<input type="submit" value="submit" /></form>

What can you see? Okay, I’ll give you some tips. You need to change the URL at the address bar.


I don’t recommend you to read further from here if you want to test out your skills/knowledge. However, if you wish to cheat yourself or you are really unable to solve this puzzle although I gave you the tips, go ahead.

To view the spoiler, highlight below (left click your mouse and drag around the below area):

The key to the password is:

<input type="hidden" name="file" value="password.php" />

Now, go to the URL Bar and key in

This will reveal the password. Simple explanation, whenever you key in a password and click submit, it will check password.php file either it’s the correct password or not. If you are getting the wrong password, it will say invalid password.

Good luck!

I hope you learn something about HTML today. Feel free to leave some comments.

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