Multiple directory traversal vulnerabilities in index.php in Flat PHP Board 1.2 and earlier allow remote attackers to (1) create arbitrary files via a .. (dot dot) in the username parameter when registering a user account, and (2) read arbitrary PHP files via a .. (dot dot) in (a) the topic parameter in a topic action or (b) the username parameter in a viewprofile action.

References

• https://nvd.nist.gov/vuln/detail/CVE-2007-6397
• https://www.exploit-db.com/exploits/4705
• http://osvdb.org/43890
• http://osvdb.org/43891
• http://osvdb.org/43892
• http://www.securityfocus.com/archive/1/484803/100/100/threaded
• http://www.securityfocus.com/bid/26782