The remote host is running a version of PHP 4.3 which is older or equal to 4.3.7. PHP is a scripting language which acts as a module for Apache or as a standalone interpreter. There is a bug in the remote version of this software which may allow an attacker to execute arbitrary code on the remote host if the option memory_limit is set. Another bug in the function strip_tags() may allow an attacker to bypass content-restrictions when submitting data and may lead to cross-site-scripting issues.

Upgrade to PHP 4.3.8