Summit Computer Networks : Security Vulnerabilities, CVEs,

Directory traversal vulnerability in Lil' HTTP server 2.1 and 2.2 allows remote attackers to read arbitrary files via a .. (dot dot) in an HTTP GET request.

Cross-site scripting vulnerability in PowerBASIC pbcgi.cgi, as included in Lil' HTTP web server, allows remote attackers to execute arbitrary web script in other web browsers via the (1) "Name" or (2) "E-mail" parameters.

Cross-site scripting vulnerability in PowerBASIC urlcount.cgi, as included in Lil' HTTP web server, allows remote attackers to execute arbitrary web script in other web browsers via a request to urlcount.cgi that contains the script, which is not filtered when the REPORT capability prints the original request.

Lil HTTP Server 2.1 allows remote attackers to read password-protected files via a /./ in the HTTP request.