CVE-2005-4139 in Thwboard Beta
Summary
by MITRE
Multiple SQL injection vulnerabilities in ThWboard before 3 Beta 2.84 allow remote attackers to execute arbitrary SQL commands via the (1) year parameter in calendar.php, (2) user parameter array in v_profile.php, and (3) the userid parameter in misc.php.
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Analysis
by VulDB Data Team • 12/19/2025
The vulnerability identified as CVE-2005-4139 represents a critical security flaw in ThWboard version 3 Beta 2.84 and earlier, exposing multiple pathways for remote attackers to execute arbitrary SQL commands through SQL injection attacks. This vulnerability affects three distinct parameters across different script files within the application's codebase, creating multiple attack vectors that significantly expand the potential impact of exploitation. The presence of these vulnerabilities demonstrates a fundamental lack of input validation and proper parameter sanitization throughout the application's code structure, creating a persistent security weakness that attackers can leverage to gain unauthorized access to underlying database systems.
The technical exploitation occurs through three specific parameter injection points that bypass proper input sanitization mechanisms. The first vulnerability exists in calendar.php where the year parameter can be manipulated to inject malicious SQL code, while the second vulnerability in v_profile.php targets the user parameter array, allowing attackers to inject SQL commands through array-based input handling. The third vulnerability in misc.php targets the userid parameter, creating another injection point that can be exploited to manipulate database queries. These injection points represent classic SQL injection vulnerabilities that fall under CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands. The vulnerability demonstrates poor application design where user-supplied data flows directly into database queries without proper sanitization or parameterization.
The operational impact of these vulnerabilities extends far beyond simple data theft, as successful exploitation could enable attackers to perform complete database manipulation including data retrieval, modification, deletion, and potentially unauthorized administrative actions. Attackers could leverage these vulnerabilities to extract sensitive user information, modify user accounts, or even escalate privileges within the application. The multi-vector nature of this vulnerability increases the likelihood of successful exploitation, as attackers can choose the most effective attack vector based on their specific objectives. From an attacker perspective, this vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1046 for network service scanning, as exploitation typically involves crafting malicious payloads and probing application endpoints for vulnerable parameters.
Mitigation strategies for CVE-2005-4139 should prioritize immediate implementation of proper input validation and parameterized queries throughout the affected application components. The most effective approach involves implementing prepared statements or parameterized queries for all database interactions, which directly addresses the root cause of the SQL injection vulnerabilities. Additionally, comprehensive input sanitization should be implemented at all entry points where user data is processed, including the three vulnerable parameters identified in calendar.php, v_profile.php, and misc.php. Organizations should also implement proper access controls and database user permissions to limit the potential damage from successful exploitation. The vulnerability highlights the importance of following secure coding practices and implementing proper code review processes to prevent similar issues in future application development cycles. Security monitoring should be enhanced to detect suspicious database query patterns and unusual data access patterns that may indicate exploitation attempts.