HTB22934: SQL Injection in WP-StarsRateBox wordpress plugin

[advisory () htbridge ch]

Vulnerability ID: HTB22934
Reference: http://www.htbridge.ch/advisory/sql_injection_in_wp_starsratebox_wordpress_plugin.html
Product: WP-StarsRateBox wordpress plugin
Vendor: www.starsrate.com  ( www.starsrate.com ) 
Vulnerable Version: 1.1
Vendor Notification: 05 April 2011 
Vulnerability Type: SQL Injection
Risk level: High 
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ ) 

Vulnerability Details:
The vulnerability exists due to failure in the "/wp-content/plugins/wp-starsratebox/wp-starsratebox.php" script to 
properly sanitize user-supplied input in "j" variable.
Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the 
application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database.

The following PoC is available:

[code]
http://[host]/wp-content/plugins/wp-starsratebox/wp-starsratebox.php?p=1&j=SQL_CODE_HERE
[/code]