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Message-ID: <511B6502.90400@redhat.com>
Date: Wed, 13 Feb 2013 03:03:46 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Henrique Montenegro <typoon@...il.com>
Subject: Re: Wordpress Pinboard theme XSS
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 02/09/2013 06:47 AM, Henrique Montenegro wrote:
> Hello!
>
> I am writing to notify you about a XSS I have found in the free
> Pinboard 1.0.6 theme for Wordpress. This XSS happens in one of the
> administration pages so it can only be triggered by authenticated
> users.
>
> Here is the part of the code that is compromised
> (includes/theme-options.php):
>
> <?php $tab = ( isset( $_GET['tab'] ) ? $_GET['tab'] : 'general' );
> ?> <input name="pinboard_theme_options[submit-<?php echo $tab;
> ?>]" type="submit" class="button-primary" value="<?php _e( 'Save
> Settings', 'pinboard' ); ?>" /> <input
> name="pinboard_theme_options[reset-<?php echo $tab; ?>]"
> type="submit" class="button-secondary" value="<?php _e( 'Reset
> Defaults', 'pinboard' ); ?>" />
>
> The issue happens because the variable $_GET['tab'] is not being
> properly escaped, causing the issue.
>
> Here is a proof of concept:
>
> http://wordpress_site_with_active_pinboard_theme/wp-admin/themes.php?page=pinboard_options&tab=
>
>
]"><script>alert(document.cookie)</script>
>
> For accessing the URL directly, Firefox should be used as Chrome
> seems to have some anti-XSS protections in place.
>
> Could a CVE please be assigned to this?
>
> Regards,
>
> Henrique
Can you please post the download links/have you notified upstream? THanks.
- --
Kurt Seifried Red Hat Security Response Team (SRT)
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