CVE-2004-0322 in XMB
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in XMB 1.8 Final SP2 allow remote attackers to execute arbitrary script as other users via the (1) member parameter in member.php, (2) uid parameter in u2uadmin.php, (3) user parameter in editprofile.php, (4) an onmouseover event in an align tag when bbcode is allowed, or (5) img tag where bbcode is allowed.
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Analysis
by VulDB Data Team • 06/25/2025
The vulnerability described in CVE-2004-0322 represents a critical cross-site scripting flaw affecting XMB 1.8 Final SP2 forums. This vulnerability stems from inadequate input validation and output encoding mechanisms within the forum software's handling of user-supplied data. The flaw manifests across multiple endpoints including member.php, u2uadmin.php, and editprofile.php, where parameters are directly incorporated into HTML responses without proper sanitization. The vulnerability is particularly concerning as it allows remote attackers to inject malicious scripts that execute in the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized actions within the forum environment.
The technical exploitation of this vulnerability occurs through multiple attack vectors that leverage the forum's bbcode processing capabilities. When the member parameter in member.php is manipulated, or when uid in u2uadmin.php is exploited, attackers can inject malicious JavaScript code that executes when other users view affected pages. The vulnerability extends to HTML tag processing where onmouseover events within align tags can be triggered when bbcode is enabled, and similarly through img tags where bbcode processing allows malicious code injection. These attack vectors demonstrate a fundamental weakness in the application's security architecture where user input is not properly escaped or validated before being rendered in web responses.
From an operational perspective, this vulnerability creates significant risk for forum administrators and users alike. The ability to execute arbitrary scripts as other users essentially compromises the entire user base, potentially allowing attackers to escalate privileges, steal session cookies, or perform actions on behalf of legitimate users. The widespread nature of the vulnerability across multiple file endpoints increases the attack surface and makes it more difficult to secure the application fully. Users may unknowingly execute malicious code when browsing forum pages, leading to unauthorized access to their accounts and potential data breaches.
The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications, and maps to several ATT&CK techniques including T1566 for social engineering attacks and T1071 for application layer protocol usage. The attack vectors described in this CVE are particularly dangerous because they exploit the trust relationship between users and the forum application, making detection and mitigation more challenging. Organizations should implement comprehensive input validation, output encoding, and content security policies to address these vulnerabilities effectively.
Mitigation strategies should include immediate patching of the XMB application to the latest version, implementing proper input validation and output encoding across all user-supplied parameters, and establishing robust content filtering mechanisms. Administrators should also consider implementing web application firewalls to detect and block malicious script injection attempts. The vulnerability highlights the importance of secure coding practices including parameterized queries, proper HTML escaping, and comprehensive security testing. Additionally, user education about recognizing potential XSS attacks and monitoring for unusual forum activity can provide additional layers of protection against exploitation attempts.