Merak Mail Server 7.4.5 - 'attachment.html?attachmentpage_text_error' Cross-Site Scripting

source: https://www.securityfocus.com/bid/10966/info
  
The webmail package embedded in Merak Mail Server is reported prone to multiple vulnerabilities.
  
The vulnerabilities reported are:
- Multiple cross-site scripting vulnerabilities
- An HTML injection vulnerability
- A PHP source code disclosure vulnerability
- An SQL injection vulnerability
  
These vulnerabilities are reported to exist in versions prior to 7.5.2.

/attachment.html?attachmentpage_text_error=">[XSS]