Plesk5 - PHP 5.2.17, Apache 2.2.22, MySQL 5.1.54
Plesk6 - PHP 5.2.17, Apache 2.2.22, MySQL 5.1.54
Plesk7 - PHP 5.3.25, Apache 2.2.22, MySQL 5.5.30
West - PHP 5.3.25, Apache 2.2.15, MySQL 5.5.31 *
West1 - PHP 5.3.25, Apache 2.2.24, MySQL 5.0.67 **
*Apache provided by OS Vendor with current fixes backported to an older version number.
**DirectAdmin was last compiled/updated 22 May 2013.
Plesk7 and West were last updated 15 May 2013