WordPress PHP Speedy Plugin 'page' Parameter Remote PHP Code Execution Vulnerability

Summary
This host is installed with WordPress PHP Speedy Plugin and is prone to remote PHP code execution vulnerability.
Impact
Successful exploitation will allow remote attackers to execute malicious PHP code to in the context of an affected site. Impact Level: System/Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
The flaws are caused by improper validation of user-supplied input via the 'page' parameter to '/wp-content/plugins/php_speedy_wp/libs/php_speedy/view /admin_container.php', which allows attackers to execute arbitrary PHP code in the context of an affected site. NOTE: Exploit will work properly when, register_globals=On, allow_url_include=On and magic_quotes_gpc=Off
Affected
Wordpress PHP Speedy plugin version 0.5.2 and prior.
References