CVE-2006-1406 in uniForum
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in wbadmlog.aspx in uniForum 4.0 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) txtuser or (2) txtpassword parameters.
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Analysis
by VulDB Data Team • 07/21/2018
The vulnerability identified as CVE-2006-1406 represents a critical cross-site scripting flaw in the uniForum 4.0 content management system and earlier versions. This vulnerability specifically affects the wbadmlog.aspx administrative login page component, which serves as the primary interface for system administrators to access protected administrative functions. The flaw stems from inadequate input validation and output encoding mechanisms within the application's authentication handling process, creating a persistent security weakness that can be exploited by malicious actors to execute unauthorized code within the context of authenticated user sessions.
The technical implementation of this vulnerability occurs through two distinct parameter injection points within the wbadmlog.aspx page. Attackers can exploit the vulnerability by manipulating either the txtuser parameter or the txtpassword parameter, both of which are processed without proper sanitization or encoding before being rendered back to the user's browser. This allows malicious actors to inject arbitrary web script or HTML code that executes within the victim's browser context when the vulnerable page is accessed. The vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous as it can be leveraged by anyone who can access the administrative login page.
The operational impact of this vulnerability extends beyond simple script injection, as it can be weaponized to perform sophisticated attacks against authenticated users. An attacker who successfully exploits this vulnerability can potentially hijack administrative sessions, steal session cookies, or redirect users to malicious sites. The attack vector is particularly concerning because it targets the administrative login interface, which means successful exploitation could lead to complete system compromise. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and represents a classic example of how insufficient input validation can create persistent security weaknesses in web applications. The attack could be classified under the MITRE ATT&CK framework as part of the Credential Access and Defense Evasion tactics, as it enables unauthorized access to administrative credentials and can be used to evade security controls.
Organizations utilizing uniForum 4.0 or earlier versions should implement immediate mitigations including input validation and output encoding for all user-supplied parameters, particularly those used in authentication contexts. The most effective remediation involves proper HTML encoding of all user input before rendering it back to the browser, combined with implementing strict input validation rules that reject potentially malicious content. Additionally, organizations should consider implementing Content Security Policy headers to limit the execution of inline scripts, and establish comprehensive monitoring for suspicious login attempts or unusual parameter patterns. The vulnerability demonstrates the critical importance of securing authentication interfaces, as these components often serve as primary attack vectors for more sophisticated compromises. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other application components, as this vulnerability represents a common pattern that may exist elsewhere within the application's codebase or related systems.