CVE-2010-0327 in Kj Imagelightbox2
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the KJ: Imagelightbox (kj_imagelightbox2) extension 2.0.0 and earlier for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2008-2490.
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Analysis
by VulDB Data Team • 12/15/2017
The vulnerability identified as CVE-2010-0327 represents a cross-site scripting flaw within the KJ: Imagelightbox extension version 2.0.0 and earlier for the TYPO3 content management system. This security weakness specifically affects web applications built on TYPO3 platform where the extension is installed, creating potential entry points for malicious actors to execute unauthorized code within user browsers. The vulnerability operates through unspecified attack vectors that differ from previously documented issues such as CVE-2008-2490, indicating a distinct code pathway for exploitation. The flaw resides in how the extension processes and renders user-supplied input without proper sanitization or validation mechanisms.
The technical implementation of this XSS vulnerability stems from inadequate input validation within the KJ: Imagelightbox extension. When users interact with the extension's functionality, particularly when handling image gallery displays or related multimedia content, the extension fails to properly sanitize parameters or content that originates from external sources. This lack of input sanitization creates opportunities for attackers to inject malicious scripts or HTML code that gets executed in the context of other users' browsers. The vulnerability manifests when the extension processes user-provided data that should be treated as untrusted input, allowing attackers to craft payloads that bypass normal security controls. The extension's failure to implement proper output encoding or content security measures means that malicious code can persist in the application's rendering pipeline and execute when legitimate users view affected pages.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it enables attackers to establish persistent footholds within affected TYPO3 environments. Remote attackers can leverage this vulnerability to execute arbitrary scripts in the context of authenticated users, potentially leading to session hijacking, privilege escalation, or data exfiltration. The attack surface is particularly concerning given that TYPO3 installations often serve as content management platforms for enterprise organizations, making successful exploitation potentially devastating for organizational security. Users who view pages utilizing the vulnerable extension become unwitting participants in the attack, as their browsers execute the injected malicious code without their knowledge. The vulnerability also poses risks for cross-site request forgery attacks, where attackers can manipulate user sessions or perform unauthorized actions on behalf of legitimate users.
Mitigation strategies for CVE-2010-0327 should prioritize immediate patching of the KJ: Imagelightbox extension to version 2.0.1 or later, which contains the necessary security fixes. Organizations should implement comprehensive input validation and output encoding measures across all TYPO3 extensions to prevent similar vulnerabilities from emerging in other components. Security monitoring should include regular scanning for outdated or vulnerable extensions within TYPO3 installations, as this vulnerability demonstrates how third-party components can introduce significant security risks. The implementation of content security policies and proper web application firewall rules can provide additional defense-in-depth measures to prevent exploitation attempts. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities, and may map to ATT&CK technique T1566 related to credential access through phishing and social engineering. Regular security assessments and vulnerability management programs should include checks for deprecated or unsupported TYPO3 extensions that may contain unpatched security flaws, as these components often remain overlooked in routine security audits.