CVE-2012-1117 in Joomla
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Joomla! 2.5.0 and 2.5.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/02/2025
The CVE-2012-1117 vulnerability represents a critical cross-site scripting flaw discovered in Joomla! content management systems version 2.5.0 and 2.5.1. This vulnerability falls under the CWE-79 category of Cross-Site Scripting and represents a fundamental security weakness in web application input validation and output encoding mechanisms. The flaw allows remote attackers to inject malicious scripts into web pages viewed by other users, potentially enabling unauthorized actions on behalf of victims.
The technical nature of this vulnerability stems from inadequate sanitization of user-supplied input within the Joomla! framework. Attackers can exploit unspecified vectors to inject malicious HTML or JavaScript code through various entry points within the application. These vectors likely include form fields, URL parameters, or other user-controllable inputs that are not properly validated or escaped before being rendered in web pages. The vulnerability exists because the application fails to implement proper input filtering and output encoding mechanisms that would prevent malicious code execution in user browsers.
The operational impact of CVE-2012-1117 extends beyond simple script injection, as it can lead to complete session hijacking, data theft, and privilege escalation attacks. An attacker could potentially steal administrator credentials, modify website content, redirect users to malicious sites, or execute arbitrary commands on vulnerable systems. The vulnerability affects the core Joomla! 2.5.0 and 2.5.1 versions, making it particularly dangerous as these were widely deployed content management systems. Organizations running these versions faced significant risk of compromise, as the flaw could be exploited without requiring any special privileges or authentication.
Mitigation strategies for this vulnerability include immediate patching of affected Joomla! installations to versions 2.5.2 or later, which contain the necessary security fixes. System administrators should also implement comprehensive input validation, output encoding, and content security policies to reduce the attack surface. The remediation aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as attackers could leverage this vulnerability to execute malicious scripts. Additional protective measures include implementing web application firewalls, conducting regular security assessments, and ensuring proper security configuration of all web applications. Organizations should also consider implementing CSP headers and regular security monitoring to detect potential exploitation attempts. The vulnerability demonstrates the critical importance of timely patch management and proper input validation in preventing widespread web application compromises.