CVE-2014-7982 in Joomla
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Joomla! CMS 2.5.x before 2.5.19 and 3.x before 3.2.3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 03/30/2022
The CVE-2014-7982 vulnerability represents a critical cross-site scripting flaw discovered in the Joomla framework's core components, creating a persistent security weakness that could be exploited by malicious actors without requiring authentication or elevated privileges. The flaw exists in the application's handling of user-supplied data during various HTTP request processing operations, particularly in parameters that are not properly sanitized before being rendered in web responses.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input that gets processed by the Joomla! application and subsequently reflected back to other users through web pages. This creates a scenario where unsuspecting users who visit compromised pages become victims of the XSS attack, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The vulnerability's impact extends beyond simple script injection as it can be leveraged for more sophisticated attacks including privilege escalation and data exfiltration. The attack surface is broad as the flaw affects multiple components within the CMS including user registration forms, search functionality, and various administrative interfaces that process external input. This vulnerability demonstrates a fundamental failure in the application's security architecture, specifically in the implementation of proper input sanitization and output encoding practices that are essential for preventing XSS attacks.
The operational consequences of CVE-2014-7982 are severe for organizations relying on vulnerable Joomla face significant risk of credential theft, session hijacking, and persistent malware deployment on their websites. The vulnerability also poses a threat to the organization's reputation and compliance with industry standards such as the Payment Card Industry Data Security Standard, which mandates proper input validation to prevent injection attacks. Furthermore, the flaw can be chained with other vulnerabilities to create more sophisticated attack scenarios that may lead to complete system compromise.
Mitigation strategies for CVE-2014-7982 involve immediate patching of affected Joomla! installations to versions 2.5.19 or 3.2.3, which contain the necessary security fixes and input validation improvements. Organizations should implement comprehensive input validation mechanisms that sanitize all user-supplied data before processing, utilizing proper output encoding techniques to prevent script execution in web contexts. The implementation of Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded. Regular security auditing and penetration testing should be conducted to identify potential vulnerabilities in web applications, with particular attention to input handling and output encoding practices. Organizations should also establish secure coding practices that align with the OWASP Top Ten security risks and implement proper security controls throughout the software development lifecycle. Network monitoring and intrusion detection systems should be configured to detect suspicious traffic patterns that may indicate exploitation attempts, while also ensuring that all web applications maintain current security patches and undergo regular vulnerability assessments to prevent similar vulnerabilities from being introduced.