DefenseCode ThunderScan PHP Advisory: Wordpress WP E-Commerce Plugin Multiple Security Vulnerabilities 

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 ('')

  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