I usually donīt alert about components and such for Joomla and other Content Management Systems but today there are several reports for Mambo/Joomla that are considered Highly Critical.
Read more about:
Mambo-SMF Forum Component File Inclusion Vulnerability
Mambo VideoDB Component File Inclusion Vulnerability
Mambo LoudMouth Component File Inclusion Vulnerability
Joomla PollXT Component File Inclusion Vulnerability