Flatchat Directory Traversal Vulnerability

Summary
The host is running Flatchat and is prone to Directory Traversal vulnerability.
Impact
Successful attacks can cause inclusion or execution of arbitrary local files in the context of the webserver process via directory traversal attacks and URL-encoded NULL-bytes. 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
Improper handling of user supplied input into the pmscript.php file via ..(dot dot) in 'with' parameter, can lead to directory traversal.
Affected
Flatchat version 3.0 and prior
References

Updated on 2017-03-28