SmarterMail Enterprise and Standard Stored XSS vulnerability

Summary
This host is running SmarterMail Enterprise/Standard and is prone to stored cross site scripting vulnerability.
Impact
Successful exploitation will allow attacker to execute arbitrary HTML or script code. 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 due to an improper validation, input passed via the email body before returning it to users.
Affected
SmarterMail Enterprise and Standard versions 11.x and prior.
Detection
Get the installed version with the help of detect NVT and check the version is vulnerable or not.
References