DiY-CMS Multiple Remote File Inclusion Vulnerabilities

Summary
This host is running DiY-CMS and is prone to multiple remote file inclusion vulnerabilities.
Impact
Successful exploitation will allow attacker to execute arbitrary code on the vulnerable Web server. Impact Level: 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
Multiple flaws are due to: - An error in 'modules/guestbook/blocks/control.block.php', which is not properly validating the input passed to the 'lang' parameter. - An error in the 'index.php', which is not properly validating the input passed to 'main_module' parameter. - An error in the 'includes/general.functions.php', which is not properly validating the input passed to 'getFile' parameter.
Affected
DiY-CMS version 1.0
References