The latest version of Joomla, Joomla 3.2 is available for download which is a security release and also resolves a significant number of issues and bugs.
The latest version includes fixes for over 40 bugs, including 4 security updates with one being “critical Core – SQL Injection” caused by Inadequate escaping leads effects versions 3.1.0 through 3.2.2.
The XSS caused by Inadequate checking which allows unauthorised logins via GMail authentication effects versions 2.5.18 and earlier 2.5.x versions, 3.2.2 and earlier 3.x versions.
Inadequate escaping leading to XSS vulnerability in com_contact effects versions 3.1.2 through 3.2.2 and
Inadequate escaping leading to XSS vulnerability effects versions 2.5.18 and earlier 2.5.x versions, 3.2.2 and earlier 3.x versions.
Users are recommended to update their CMS to latest, updates are Available here