csFAQ.cgi in csFAQ allows remote attackers to gain sensitive information via an invalid database parameter, which reveals the path to the web server in an error message.
https://exchange.xforce.ibmcloud.com/vulnerabilities/16526
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-0664
http://www.swp-zone.org/archivos/advisory-08.txt