CVE-2012-5295 in Forums
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in login.cfm in FuseTalk Forums 3.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the windowed parameter.
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Analysis
by VulDB Data Team • 01/14/2025
The CVE-2012-5295 vulnerability represents a critical cross-site scripting flaw discovered in FuseTalk Forums version 3.2 and earlier, specifically within the login.cfm component. This vulnerability arises from inadequate input validation and sanitization mechanisms that fail to properly filter malicious content submitted through the windowed parameter. The flaw exists in the web application's authentication interface where user-supplied data is directly incorporated into the response without appropriate security measures. Attackers can exploit this weakness by crafting malicious payloads that leverage the windowed parameter to inject arbitrary JavaScript code or HTML content into the vulnerable application's response, potentially compromising user sessions and system integrity. The vulnerability is classified under CWE-79 as a failure to sanitize input, which directly enables malicious code execution in the context of the victim's browser.
The technical exploitation of this XSS vulnerability occurs when an attacker submits malicious input through the windowed parameter during the login process. The vulnerable application fails to implement proper output encoding or validation controls, allowing the injected script to execute in the context of authenticated users' browsers. This creates a persistent threat where malicious actors can steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious sites. The vulnerability's impact is amplified because it affects the login interface, which typically handles sensitive user information and authentication tokens. The attack vector is particularly dangerous as it can be executed through social engineering tactics, where users are tricked into clicking malicious links or visiting compromised pages that trigger the exploit.
The operational consequences of this vulnerability extend beyond simple script injection, potentially enabling full session hijacking and privilege escalation attacks. An attacker could leverage this vulnerability to establish persistent access to user accounts, modify forum content, or harvest sensitive information from authenticated sessions. The impact is particularly severe in enterprise environments where forum applications serve as communication platforms for internal collaboration, as compromised accounts could lead to data breaches or unauthorized access to confidential information. This vulnerability also aligns with ATT&CK technique T1531 which involves the use of malicious code to gain access to systems and data, and T1071.004 which covers application layer protocol manipulation through web-based attacks. Organizations using affected versions of FuseTalk Forums face significant risk of unauthorized access and potential data compromise.
Mitigation strategies for CVE-2012-5295 require immediate implementation of proper input validation and output encoding mechanisms. Organizations should implement strict parameter validation for all user-supplied inputs, particularly those used in authentication flows. The application must sanitize all inputs through proper encoding techniques such as HTML entity encoding before incorporating user data into responses. Security patches or updates from FuseTalk should be applied immediately to address the vulnerability, as the affected version represents an outdated system with known security weaknesses. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though they should not replace proper code-level fixes. Regular security assessments and input validation reviews should be conducted to prevent similar vulnerabilities from emerging in other application components. The remediation process should include comprehensive testing to ensure that all user-supplied parameters are properly validated and that existing functionality remains intact while eliminating the XSS attack surface.