WoltLab Burning Board Cross-Site Request Forgery Vulnerability

Summary
This host is running WoltLab Burning Board and is prone to Cross-Site Request Forgery vulnerability.
Impact
Attackers can exploit this issue to delete private messages by sending malicious input in the 'pmID' parameter in a delete action in a PM page. 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
An error arises in index.php due to improper sanitization of user-supplied input which may allows remote attackers to hijack the users authentication.
Affected
WoltLab Burning Board version 3.x
References