CVE-2010-0345 in Majordomo
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Majordomo extension 1.1.3 and earlier for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 04/11/2025
The CVE-2010-0345 vulnerability represents a critical cross-site scripting flaw within the Majordomo extension version 1.1.3 and earlier for the TYPO3 content management system. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security issues. The Majordomo extension, designed to provide mailing list management capabilities within TYPO3, contained a flaw that allowed malicious actors to inject arbitrary web scripts or HTML content into web pages viewed by other users. The vulnerability was particularly concerning because it affected a widely used CMS platform where the extension could be leveraged to compromise user sessions and potentially escalate privileges within the web application.
The technical implementation of this XSS vulnerability stemmed from inadequate input validation and output sanitization within the Majordomo extension's codebase. Attackers could exploit this weakness by crafting malicious payloads that would be processed and rendered without proper HTML escaping or script sanitization. The unspecified vectors mentioned in the description suggest that multiple entry points within the extension could be exploited, including form inputs, URL parameters, or user-generated content fields that were not properly sanitized before being displayed to end users. This lack of consistent sanitization across different input sources created a broad attack surface that could be leveraged by threat actors with varying skill levels.
The operational impact of this vulnerability was significant for organizations running TYPO3 installations with the affected Majordomo extension. When successfully exploited, the XSS attack could enable attackers to steal session cookies, redirect users to malicious websites, deface web pages, or even execute arbitrary commands on behalf of authenticated users. The attack could be delivered through various means including email phishing campaigns, compromised websites, or by exploiting other vulnerabilities that would allow attackers to inject malicious content into the extension's input fields. Given that TYPO3 was commonly used by enterprises and government organizations, the potential for widespread impact was considerable, particularly if attackers could leverage the vulnerability to gain access to sensitive administrative functions.
Mitigation strategies for this vulnerability required immediate patching of the affected Majordomo extension to version 1.1.4 or later, which contained the necessary input validation and output sanitization fixes. Organizations should have implemented comprehensive input validation measures across all user-facing forms and parameters, ensuring that all data entered into the system was properly escaped before being rendered back to users. Network administrators were advised to implement web application firewalls that could detect and block common XSS attack patterns, while security teams should have conducted thorough vulnerability assessments to identify any other potentially affected components within their TYPO3 installations. The incident highlighted the importance of maintaining up-to-date security patches and implementing proper security testing procedures for all web application components, particularly those handling user input. This vulnerability also underscored the necessity of following security best practices outlined in frameworks such as the OWASP Top Ten and the ATT&CK framework, which emphasize the critical need for input validation and output encoding to prevent XSS attacks. Organizations were encouraged to adopt a defense-in-depth approach that included regular security audits, user education on recognizing phishing attempts, and the implementation of Content Security Policies to further reduce the impact of potential XSS exploitation.