CVE-2009-3240 in XF-Section
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Happy Linux XF-Section module 1.12a for XOOPS allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/20/2019
The CVE-2009-3240 vulnerability represents a critical cross-site scripting flaw within the Happy Linux XF-Section module version 1.12a for XOOPS content management system. This vulnerability exposes web applications built on the XOOPS platform to significant security risks, as it enables remote attackers to execute malicious scripts in the context of victim browsers. The flaw specifically affects the module's handling of user input, creating an avenue for attackers to inject arbitrary web scripts or HTML code that can persist and execute within the application environment.
The technical nature of this vulnerability aligns with CWE-79, which describes cross-site scripting flaws where untrusted data is improperly incorporated into web page content without proper validation or sanitization. The unspecified vectors mentioned in the description suggest that the vulnerability may manifest through multiple input points within the XF-Section module, potentially including form fields, URL parameters, or user-generated content areas. This broad attack surface increases the exploitability of the vulnerability and makes it particularly dangerous for applications relying on the affected module.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, data manipulation, and redirection to malicious sites. When exploited successfully, the XSS vulnerability allows attackers to establish persistent presence within victim sessions, potentially compromising user accounts and sensitive information. The vulnerability affects the integrity and confidentiality of web applications, undermining the trust model that users place in legitimate web services.
From an adversarial perspective, this vulnerability maps to several ATT&CK techniques including T1566 for social engineering and T1059 for command and scripting interpreter usage. Attackers can leverage this vulnerability to create persistent backdoors, harvest user credentials through credential phishing mechanisms, or manipulate application functionality to serve malicious payloads. The impact is particularly severe in environments where the affected module is widely used and where users have administrative privileges, as successful exploitation could lead to complete system compromise. Organizations should implement comprehensive mitigation strategies including input validation, output encoding, and regular security updates to protect against this and similar vulnerabilities.
The vulnerability underscores the importance of proper security testing and code review practices within CMS ecosystems, as well as the necessity of maintaining up-to-date security patches for third-party modules. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar issues before they can be exploited by malicious actors in the wild.