CVE-2009-1281 in glFusion
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in glFusion before 1.1.3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 05/26/2025
The CVE-2009-1281 vulnerability represents a critical cross-site scripting flaw discovered in the glFusion content management system prior to version 1.1.3. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws identified by the CWE organization. The vulnerability allows remote attackers to inject malicious web scripts or HTML code into the application, potentially compromising user sessions and data integrity. glFusion, being a web-based content management system, processes user inputs through various interface elements and administrative functions, creating multiple potential entry points for malicious code injection. The unspecified vectors in the original description suggest that the vulnerability could be exploited through multiple pathways within the application's input handling mechanisms.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output sanitization within the glFusion framework. When users interact with the CMS through forms, comments, or administrative panels, the system fails to properly sanitize user-supplied data before rendering it back to the browser. This allows attackers to embed malicious JavaScript code, HTML tags, or other harmful content that executes in the context of other users' browsers. The vulnerability's impact extends beyond simple script execution as it can facilitate session hijacking, credential theft, and redirection to malicious websites. Attackers can craft payloads that exploit the XSS flaw by embedding malicious code in parameters, form fields, or URL components that are not properly escaped or validated by the application's security controls.
The operational impact of this vulnerability is significant for organizations using glFusion versions prior to 1.1.3, as it creates a persistent security risk that can be exploited by threat actors without requiring any special privileges or access to the system's backend. Users who browse pages containing malicious payloads may unknowingly execute scripts that can steal cookies, modify page content, or redirect them to phishing sites. The vulnerability also aligns with several ATT&CK techniques including T1566 for spearphishing with links and T1059 for command and scripting interpreter, as attackers can leverage the XSS flaw to execute malicious code and establish persistent access. Organizations using the affected version of glFusion face potential data breaches, reputational damage, and compliance violations, particularly in regulated environments where user data protection is mandated.
Mitigation strategies for CVE-2009-1281 primarily focus on immediate remediation through version upgrading to glFusion 1.1.3 or later, which contains the necessary security patches to address the XSS vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms to prevent malicious code injection, following the principle of least privilege and secure coding practices. The recommended approach includes implementing proper HTML escaping for all user-generated content, utilizing Content Security Policy headers to limit script execution, and conducting regular security assessments of web applications. Additionally, organizations should establish security monitoring protocols to detect and respond to potential exploitation attempts, while maintaining up-to-date security patches across all web applications to prevent similar vulnerabilities from emerging in the future. The vulnerability serves as a reminder of the critical importance of regular security updates and proper input sanitization in web application development processes.