AR Web Content Manager Multiple Directory Traversal Vulnerabilities

Summary
This host is running AR Web Content Manager and is prone multiple Directory Traversal vulnerabilities.
Impact
Successful exploitation will allow remote attackers to obtain potentially sensitive information and execute arbitrary local scripts in the context of the web server process. 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
The flaw exists due to an error in 'index.php' and 'header.php' scripts, which allows to read arbitrary files via a .. (dot dot) in the 'awcm_theme' or 'awcm_lang' cookies.
Affected
AR Web Content Manager (AWCM) version 2.2
References