Joomla recently released versions 2.5.23 and swiftly thereafter 2.5.24 of their Joomla 2.5 platform.
We have upgraded all affected portals accordingly.
More info:
Joomla 2.5.23 Upgrade: http://tinyurl.com/lbhmccb
Joomla 2.5.24 Upgrade: http://tinyurl.com/lw8vwb3