Minihttpserver.net : Security Vulnerabilities, CVEs,

Multiple cross-site scripting (XSS) vulnerabilities in Forum Web Server 1.6 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the Subject field in post1.htm and (2) the File Description field in postfile2.htm.

Directory traversal vulnerability in Web Forums Server 1.6 and 2.0 Power Pack allows remote attackers to read arbitrary files via a URL containing (1) "..\" (dot dot backslash), (2) "../" (dot dot slash), (3) "/%2E%2E%5C" (encoded dot dot backslash), or (4) "%2E%2E%2F" (encoded dot dot slash).