WordPress Plugin Ultimate Product Catalogue - SQL Injection (2)

# Exploit Title: Unauthenticated SQLi on Ultimate Product Catalogue
wordpress plugin
# Google Dork: inurl:"SingleProduct" intext:"Back to catalogue"
intext:"Category",
inurl:"/wp-content/plugins/ultimate-product-catalogue/product-sheets/"
# Date: 22/04/2015
# Exploit Author: Felipe Molina de la Torre (@felmoltor)
# Vendor Homepage: https://wordpress.org/plugins/ultimate-product-catalogue/
# Software Link:
https://downloads.wordpress.org/plugin/ultimate-product-catalogue.3.1.2.zip
# Version: < 3.1.2, Comunicated and Fixed by the Vendor in 3.1.3
# Tested on: Linux 2.6, PHP 5.3 with magic_quotes_gpc turnedd off, Apache
2.4.0 (Ubuntu)
# CVE : Requested to mitre but not assigned yet
# Category: webapps

1. Summary:

     Ultimate Product Catalogue is A responsive and easily customizable
plugin for all your product catalogue needs. It has +59.000 downloads,
+3.000 active installations.

 Unauthenticated SQL injection in parameter "SingleProduct" when a web
visitor explores a product published by the web administrator

2. Vulnerability timeline:
- 22/04/2015: Identified in version 3.1.2
- 22/04/2015: Comunicated to developer company etoilewebdesign.com
- 22/04/2015: Response from etoilewebdesign.com and fixed version in 3.1.3
3. Vulnerable code:

    File Functions/Shortcodes.php line 779

3. Proof of concept

    http://<wordpress site>/?SingleProduct=2'+and+'a'='a
    http://<wordpress site>/?SingleProduct=2'+and+'a'='b

4. Solution:

    Update to version 3.1.3