CVE-2009-4948 in Locator
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Store Locator extension before 1.2.8 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 02/06/2019
The CVE-2009-4948 vulnerability represents a critical cross-site scripting flaw within the Store Locator extension for TYPO3 content management system. This vulnerability affects versions prior to 1.2.8 and exposes web applications to remote code execution through malicious script injection. The flaw resides in how the extension handles user input without proper sanitization, creating an avenue for attackers to manipulate web page content and potentially compromise user sessions.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output encoding within the Store Locator extension's processing logic. Attackers can exploit this weakness by crafting malicious payloads that get executed when other users view affected pages. The unspecified vectors suggest that multiple entry points within the extension could be compromised, including form fields, URL parameters, or dynamic content rendering mechanisms. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in software applications.
From an operational perspective, this vulnerability poses significant risks to organizations using TYPO3 with the Store Locator extension. Remote attackers can execute malicious scripts in the context of victim browsers, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The impact extends beyond simple data theft as attackers could leverage this vulnerability to establish persistent access points within the organization's web infrastructure. The vulnerability aligns with ATT&CK technique T1566 which covers social engineering through malicious content delivery.
The exploitation of CVE-2009-4948 typically involves crafting specially formatted input that bypasses the extension's security measures. Attackers may inject JavaScript code through form submissions or URL parameters that get stored and later executed when legitimate users access the affected functionality. This creates a persistent threat vector where compromised users unknowingly become conduits for further attacks against other users within the same system. The vulnerability demonstrates the importance of proper input sanitization and output encoding practices in web applications.
Organizations should immediately upgrade to TYPO3 version 1.2.8 or later to address this vulnerability. Additionally, implementing proper content security policies, input validation mechanisms, and regular security assessments can help prevent similar issues. The vulnerability serves as a reminder of the critical importance of keeping web application components updated and maintaining robust security practices throughout the software development lifecycle. Security teams should conduct thorough penetration testing and vulnerability assessments to identify potential XSS vectors within their TYPO3 installations.