Directory traversal vulnerability in inc/includes.inc in GuppY 4.6.3 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the selskin parameter to index.php. NOTE: this can be leveraged for remote file inclusion by including inc/boxleft.inc and specifying a URL in the xposbox[L][] array parameter.

References

• https://nvd.nist.gov/vuln/detail/CVE-2007-5844
• https://exchange.xforce.ibmcloud.com/vulnerabilities/38255
• https://www.exploit-db.com/exploits/4602
• http://www.securityfocus.com/bid/26315
• http://www.vupen.com/english/advisories/2007/3750