bugtraq - Admin Custom Login WordPress plugin affected by persistent Cross-Site Scripting via Logo URL field

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Message-ID: <a3a16f6c-b7b7-62de-0006-3012781e528c@securify.nl>
Date: Wed, 1 Mar 2017 06:59:55 +0100
From: Summer of Pwnage <lists@...urify.nl>
To: bugtraq@...urityfocus.com
Subject: Admin Custom Login WordPress plugin affected by persistent Cross-Site
 Scripting via Logo URL field

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Admin Custom Login WordPress plugin affected by persistent Cross-Site
Scripting via Logo URL field
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Burak Kelebek, July 2016

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Abstract
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A persistent Cross-Site Scripting vulnerability has been encountered in
the Admin Custom Login WordPress plugin. This issue allows an attacker
to perform a wide variety of actions, such as stealing Administrators'
session tokens, or performing arbitrary actions on their behalf. The
"logo_url" field does not validate <script> tags and does not perform
output encoding.

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OVE ID
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OVE-20160712-0002

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Tested versions
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This issue was succesfully tested on the Admin Custom Login WordPress
plugin version 2.4.5.2.

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Fix
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There is currently no fix available.

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Details
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https://sumofpwn.nl/advisory/2016/admin_custom_login_wordpress_plugin_affected_by_persistent_cross_site_scripting_via_logo_url_field.html

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Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its
goal is to contribute to the security of popular, widely used OSS
projects in a fun and educational way.