Hello. What is the situation with this vulnerability?

http://xforce.iss.net/xforce/xfdb/77663

References:

EDB-ID: 20419: Flynax General Classifieds v4.0 CMS Multiple Vulnerabilities.
Flynax General Classifieds Web Site: Flynax General Classifieds Software - General Classified Script.
Vulnerability-Lab: Flynax General Classifieds v4.0 CMS - Multiple Vulnerabilities.
OSVDB ID: 84701: Flynax General Classified listings/search-results.html Multiple Parameter XSS
SA50211: Flynax General Classifieds Multiple Cross-Site Scripting Vulnerabilities