WordPress Snazzy Maps 1.1.3 Cross Site Scripting

`DefenseCode ThunderScan SAST Advisory: WordPress Snazzy Maps Plugin  
Multiple XSS Security Vulnerabilities  
  
  
Advisory ID: DC-2018-05-006  
Advisory Title: WordPress Snazzy Maps Plugin Multiple XSS  
Vulnerabilities  
Advisory URL: http://www.defensecode.com/advisories.php  
Software: WordPress Snazzy Maps plugin  
Language: PHP  
Version: 1.1.3 and below  
Vendor Status: Vendor contacted, no response  
Release Date: 2018/07/24  
Risk: Medium  
  
  
  
1. General Overview  
===================  
During the security audit of Snazzy Maps plugin for WordPress CMS,  
multiple Cross-Site Scripting (XSS) vulnerabilities were discovered  
using DefenseCode ThunderScan application source code security  
analysis platform.  
  
More information about ThunderScan is available at URL:  
http://www.defensecode.com  
  
  
2. Software Overview  
====================  
According to the plugin developers, Snazzy Maps can apply styles to  
your Google Maps with the official Snazzy Maps WordPress plugin.  
  
According to wordpress.org, it has more than 60,000 active installs.  
  
Homepage:  
https://wordpress.org/plugins/snazzy-maps/  
  
  
3. Vulnerability Description  
============================  
During the security analysis, ThunderScan discovered  
multiple Cross-Site Scripting vulnerabilities in Snazzy Maps  
WordPress plugin.  
  
The Cross-Site Scripting vulnerability can enable the attacker to  
construct the URL that contains malicious JavaScript code. If the  
administrator of the site makes a request to such an URL, the  
attacker's code will be executed, with unrestricted access to the  
WordPress site in question. The attacker can entice the administrator  
to visit the URL in various ways, including sending the URL by email,  
posting it as a part of the comment on the vulnerable site or another  
forum.  
  
3.1 Cross-Site Scripting  
Vulnerable Function: echo()  
Vulnerable Variable: $_GET['text']  
Vulnerable URL:  
http://vulnerablesite.com/wp-admin/themes.php?page=snazzy_maps&tab=1&text="></script><script>alert(42)</script>  
File: snazzy-maps/admin/explore.php  
---------  
28 $text = isset($_GET['text']) ? $_GET['text'] : '';  
...  
34 <input name="text" type="text" placeholder="Search..."  
value="<?php echo $text ?>"/>  
---------  
  
3.2 Cross-Site Scripting  
Vulnerable Function: echo()  
Vulnerable Variable: $_GET['tab']  
Vulnerable URL:  
http://vulnerablesite.com/wp-admin/themes.php?page=snazzy_maps&tab=1"></script><script>alert(42)</script>  
File: snazzy-maps/admin/index.php  
---------  
69 $active_tab = isset($_GET['tab']) ? $_GET['tab'] : '0';  
...  
98 <a href="?page=snazzy_maps&tab=<?php echo $active_tab;  
?>&welcome=hide" class="welcome-panel-close">Dismiss</a>  
---------  
  
  
4. Solution  
===========  
All users are strongly advised to update WordPress Snazzy Maps plugin  
to the latest available version as soon as the vendor releases an  
update that fixes the vulnerabilities.  
  
  
5. Credits  
==========  
Discovered by Neven Biruski using DefenseCode ThunderScan source code  
security analyzer.  
  
  
6. Disclosure Timeline  
======================  
2018/05/21 Vulnerabilities discovered  
2018/05/21 Vendor contacted  
2018/07/24 Advisory released to the public  
  
  
7. About DefenseCode  
====================  
DefenseCode L.L.C. delivers products and services designed to analyze  
and test web, desktop and mobile applications for security  
vulnerabilities.  
  
DefenseCode ThunderScan is a SAST (Static Application Security  
Testing, WhiteBox Testing) solution for performing extensive security  
audits of application source code. ThunderScan SAST performs fast and  
accurate analyses of large and complex source code projects delivering  
precise results and low false positive rate.  
  
DefenseCode WebScanner is a DAST (Dynamic Application Security  
Testing, BlackBox Testing) solution for comprehensive security audits  
of active web applications. WebScanner will test a website's security  
by carrying out a large number of attacks using the most advanced  
techniques, just as a real attacker would.  
  
Subscribe for free software trial on our website  
http://www.defensecode.com/ .  
  
E-mail: defensecode[at]defensecode.com  
  
Website: http://www.defensecode.com  
Twitter: https://twitter.com/DefenseCode/  
  
`