Hastymail2 'background' Attribute Cross-site scripting vulnerability

Summary
The host is running Hastymail2 and is prone to cross-site scripting vulnerability.
Impact
Successful exploitation will allow attackers to execute arbitrary web script or HTML in a user's browser session in the context of an affected site. Impact Level: Application
Solution
Upgrade to the Hastymail2 1.01 or later For updates refer to http://www.hastymail.org/blogs/News/
Insight
The flaw is caused by improper validation of crafted background attribute within a cell in a TABLE element which allows remote attackers to inject arbitrary web script or HTML.
Affected
Hastymail2 version prior to 1.01
References