CVE-2013-4692 in Analog Flash Clock Extension
Summary
by MITRE
Xorbin Analog Flash Clock 1.0 extension for Joomia has XSS
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 04/05/2025
The CVE-2013-4692 vulnerability affects the Xorbin Analog Flash Clock 1.0 extension for Joomla, representing a cross-site scripting flaw that enables malicious actors to inject arbitrary web scripts into vulnerable web pages. This particular vulnerability resides within a Joomla extension that displays analog clock functionality using flash technology, making it a client-side security issue that directly impacts users interacting with Joomla websites utilizing this specific module. The flaw allows attackers to execute malicious scripts in the context of a victim's browser session, potentially compromising user data and system integrity.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output encoding within the extension's codebase. When the Joomla extension processes user-supplied data or configuration parameters for the analog clock display, it fails to properly sanitize or escape special characters that could be interpreted as executable script code. This insufficient sanitization creates an opening for attackers to inject malicious payloads through parameters that are then rendered back to users without proper security measures. The vulnerability specifically affects how the extension handles dynamic content generation, particularly when displaying time-related information or configuration settings that might contain user-controllable inputs.
The operational impact of this vulnerability extends beyond simple script execution, as it can facilitate more sophisticated attacks including session hijacking, credential theft, and redirection to malicious websites. Attackers can craft malicious payloads that exploit the XSS flaw to steal session cookies, which would allow them to impersonate legitimate users and gain unauthorized access to administrative functions or user accounts. The attack surface is particularly concerning for Joomla websites that rely on this extension, as it could enable attackers to modify content, inject phishing pages, or perform actions on behalf of authenticated users. This vulnerability undermines the fundamental security principles of web application development, specifically targeting the integrity and confidentiality aspects of the information system.
Mitigation strategies for this vulnerability should focus on immediate patching and input validation improvements. The most effective solution involves updating the Xorbin Analog Flash Clock extension to a version that properly implements output encoding and input validation techniques to prevent malicious script injection. Organizations should also implement Content Security Policy headers to limit script execution sources and employ proper input sanitization at all entry points where user data is processed. Additionally, security monitoring should be enhanced to detect unusual patterns in web traffic that might indicate exploitation attempts. This vulnerability aligns with CWE-79, which categorizes cross-site scripting flaws as a critical security weakness, and could be mapped to ATT&CK technique T1566 for initial access through malicious web content, highlighting the importance of comprehensive web application security controls.