CVE-2004-1403

CVE-2004-1403 describes a remote file inclusion vulnerability in GNUBoard 3.39 and earlier, specifically within the index.php file. Attackers can exploit this by manipulating the 'doc' parameter to reference a remote URL hosting malicious PHP code, leading to arbitrary code execution. This vulnerability carries a CVSS score of 7.5, indicating high severity due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, nor readily available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions.