TalentSoft Web+ version detection

This plug-in detects the version of Web+ CGI. The Web+ CGI has a known vulnerability that enables a remote attacker to gain access to local files. This bug is known to exist in Web+ 4.X as of March 1999, and probably exists in all previous versions as well. This test in itself does not verify the vulnerability but rather tries to discover the version of Web+ which is installed.