CVE-2011-5080 in jftcaforms
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in lib/class.tx_jftcaforms_tceFunc.php in the Additional TCA Forms (jftcaforms) extension before 0.2.1 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 02/14/2019
The CVE-2011-5080 vulnerability represents a critical cross-site scripting flaw within the Additional TCA Forms extension for TYPO3 content management system. This vulnerability exists in the lib/class.tx_jftcaforms_tceFunc.php file and affects versions prior to 0.2.1, making it a significant security concern for TYPO3 installations that utilize this extension. The vulnerability classification aligns with CWE-79 which specifically addresses cross-site scripting attacks, where malicious actors can inject arbitrary web scripts or HTML content into web applications. The flaw occurs within the TYPO3 administrative interface, specifically in how the extension handles form data processing and rendering, creating an attack surface that can be exploited by remote threat actors.
The technical exploitation of this vulnerability occurs through unspecified vectors within the TCA (Table Configuration Array) form processing functionality. When TYPO3 administrators or users interact with forms managed by the jftcaforms extension, the application fails to properly sanitize or escape user input before rendering it in the web interface. This lack of input validation and output encoding creates a persistent XSS vulnerability that allows attackers to inject malicious scripts that execute in the context of other users' browsers. The vulnerability impacts the TYPO3 backend administration interface, potentially enabling attackers to steal session cookies, perform unauthorized actions, or redirect users to malicious sites. The attack vector likely involves manipulating form fields or parameters that are processed by the vulnerable tceFunc.php class, which serves as a bridge between TYPO3's core functionality and extension-specific form handling.
The operational impact of CVE-2011-5080 extends beyond simple script injection, as it represents a serious threat to TYPO3 system integrity and user security. An attacker who successfully exploits this vulnerability could gain elevated privileges within the TYPO3 administration interface, potentially leading to full system compromise. The vulnerability affects not only the immediate execution environment but also poses risks to the broader web application ecosystem, as reflected in the ATT&CK framework's tactics related to initial access and privilege escalation. Organizations using TYPO3 with the jftcaforms extension face potential data breaches, unauthorized content manipulation, and service disruption. The vulnerability demonstrates poor input sanitization practices and highlights the critical importance of proper output encoding in web applications, particularly those handling administrative functions where user input directly influences the application's behavior and security posture.
Mitigation strategies for CVE-2011-5080 primarily focus on immediate version updates and comprehensive security hardening measures. The most effective solution involves upgrading to jftcaforms version 0.2.1 or later, which contains the necessary patches to address the XSS vulnerability. Organizations should also implement input validation and output encoding mechanisms throughout their TYPO3 installations, particularly in areas where user input is processed. Security teams should conduct thorough vulnerability assessments of all TYPO3 extensions and ensure that proper sanitization routines are in place for all user-facing interfaces. The remediation process should include monitoring for suspicious activities in web server logs and implementing web application firewalls to detect and block potential exploitation attempts. Additionally, regular security audits of TYPO3 installations should be conducted to identify and remediate similar vulnerabilities, as this flaw demonstrates the importance of maintaining current security patches and proper code review practices in content management systems.