WordPress WP E-Commerce 3.8.9 SQL Injection / Cross Site Scripting

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DefenseCode ThunderScan PHP Advisory: Wordpress WP E-Commerce Plugin  
Multiple Security Vulnerabilities  
  
  
Advisory ID: DC-2012-11-001  
Advisory Title: Wordpress WP E-Commerce Plugin Multiple Vulnerabilities  
Advisory URL:  
http://www.defensecode.com/article/wordpress_wp_e-commerce_plugin_multiple_security_vulnerabilities_-30  
Software: WP e-Commerce  
Software Language: PHP  
Version: 3.8.9 and below  
Vendor Status: Vendor contacted  
Release Date: 2012-11-12  
Risk: High  
  
  
  
1. General Overview  
===================  
During the security audit of WP E-Commerce plugin for WordPress CMS,  
multiple vulnerabilities were discovered using DefenseCode ThunderScan  
PHP web application source code security analysis platform.  
More information about ThunderScan PHP is available at URL:  
http://www.defensecode.com/subcategory/thunderscan-8  
  
Detailed report for each vulnerability can be found in the following PDF  
report:  
http://www.defensecode.com/public/wp-e-commerce_security_audit_final_report.pdf  
  
Report has been generated by ThunderScan PHP Web Application Source Code  
Security Analysis.  
  
  
2. Software Overview  
===================  
WP e-Commerce is a popular e-commerce plugin for WordPress. Users can  
use it to to sell products, downloads or services online. It has more  
than 2 Million downloads on wordpress.org.  
  
Homepage:  
http://wordpress.org/extend/plugins/wp-e-commerce/  
http://getshopped.org/  
  
  
3. Brief Vulnerability Description  
==================================  
During the security analysis, ThunderScan PHP discovered multiple SQL  
Injection and Cross Site Scripting vulnerabilities in WP e-Commerce plugin.  
  
3.1. SQL injection  
File: wp-e-commerce\wpsc-includes\purchaselogs.class.php  
Function: get_results($sql)  
Variable: $_POST['view_purchlogs_by_status']  
Called from (function line file):  
get_purchlogs() 699 wp-e-commerce\wpsc-core\wpsc-deprecated.php  
  
3.2 SQL injection  
File: wp-e-commerce\wpsc-includes\purchaselogs.class.php  
Function: get_results( $sql )  
Variable: $_POST['view_purchlogs_by_status']  
Called from (function line file):  
get_purchlogs() 681 wp-e-commerce\wpsc-core\wpsc-deprecated.php  
  
3.3 SQL injection  
File: wp-e-commerce\wpsc-includes\purchaselogs.class.php  
Function: get_results( $sql )  
Variable: $_GET['view_purchlogs_by_status']  
Called from (function line file):  
get_purchlogs() 525 wp-e-commerce\wpsc-includes\purchaselogs.class.php  
  
3.4 SQL injection  
File: wp-e-commerce\wpsc-includes\purchaselogs.class.php  
Function: get_results( $sql )  
Variable: $_GET['view_purchlogs_by_status']  
Called from (function line file):  
get_purchlogs() 543 wp-e-commerce\wpsc-includes\purchaselogs.class.php  
  
3.5 SQL injection  
File: wp-e-commerce\wpsc-includes\purchaselogs.class.php  
Function: get_results( $sql )  
Variable: $_GET['view_purchlogs_by_status']  
Called from (function line file):  
get_purchlogs() 534 wp-e-commerce\wpsc-includes\purchaselogs.class.php  
  
3.6 SQL injection  
File: wp-e-commerce\wpsc-includes\purchaselogs.class.php  
Function: get_results( $sql )  
Variable: $_POST['view_purchlogs_by_status']  
Called from (function line file):  
get_purchlogs() 689 wp-e-commerce\wpsc-core\wpsc-deprecated.php  
  
3.7 Cross-Site Scripting  
File: wp-e-commerce\wpsc-admin\includes\purchase-log-list-ta   
ble-class.php  
Function: echo ('<input type="hidden" name="m" value="' . $m . '" />')  
Variable: $_REQUEST['m']  
  
  
4. Solution  
===========  
Vendor resolved security issues in latest WP e-Commerce release. All  
users are strongly advised to update WP e-Commerce plugin to the latest  
available version 3.8.9.1.  
  
  
5. About DefenseCode ThunderScan  
================================  
DefenseCode ThunderScan products are designed for comprehensive security  
assessment of web application source code. ThunderScan products are  
static source code analysis products for comprehensive security audit of  
web applications.  
Audit your web applications for SQL Injections, Cross Site Scripting,  
Code Execution, File Inclusion, and much more.  
Supported web application languages: ASP.Net C#, VB.Net, Classic ASP,  
PHP and Java/JSP.  
  
ThunderScan: http://www.defensecode.com/subcategory/thunderscan-8  
E-mail: defensecode[at]defensecode.com  
Website: http://www.defensecode.com  
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