CVE-2010-5030 in Ecomat CMS
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in Ecomat CMS 5.0 allows remote attackers to inject arbitrary web script or HTML via the lang parameter in a web action.
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Analysis
by VulDB Data Team • 01/13/2018
The CVE-2010-5030 vulnerability represents a critical cross-site scripting flaw in the Ecomat CMS 5.0 content management system that exposes web applications to persistent malicious code execution. This vulnerability specifically targets the index.php file and exploits the lang parameter within web actions to inject arbitrary web scripts or HTML content. The flaw demonstrates a classic input validation failure where user-supplied parameters are not properly sanitized before being rendered in web responses, creating an avenue for attackers to compromise user sessions and execute malicious payloads. The vulnerability falls under CWE-79 which categorizes improper neutralization of input during web page generation, specifically identifying the weakness in the CMS's handling of language parameters that should be restricted to predefined valid values. From an operational perspective, this vulnerability enables remote attackers to perform session hijacking, deface web pages, steal sensitive information, and potentially escalate privileges within the CMS environment. The impact extends beyond simple XSS attacks as it can serve as a stepping stone for more sophisticated attacks including credential theft and unauthorized administrative access. The vulnerability's exploitation requires minimal technical expertise and can be automated, making it particularly dangerous in environments where CMS systems are widely deployed without proper security hardening.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing crafted script code within the lang parameter of the index.php endpoint. When the vulnerable CMS processes this parameter and renders it in the web interface without proper sanitization, the injected script executes in the context of the victim's browser session. This creates a persistent threat vector where users browsing the affected website become unwitting participants in the attack, executing malicious code that can steal cookies, redirect traffic, or modify page content. The vulnerability's location within the core index.php file suggests that it affects fundamental application functionality rather than isolated modules, amplifying its potential impact across the entire CMS. According to ATT&CK framework, this vulnerability maps to T1059.007 which covers scripting languages and T1531 which addresses credential access through web application vulnerabilities. The attack chain typically involves initial reconnaissance to identify the vulnerable CMS version, crafting malicious payloads targeting the specific parameter, and delivering the exploit through social engineering or automated scanning tools.
Organizations utilizing Ecomat CMS 5.0 must implement immediate mitigations to address this vulnerability including input validation and output encoding measures. The most effective immediate fix involves implementing strict parameter validation that restricts the lang parameter to predefined, whitelisted language codes and sanitizing all user inputs before rendering them in web contexts. Security headers such as Content Security Policy should be implemented to prevent execution of unauthorized scripts, while proper input sanitization techniques including HTML entity encoding and regular expression validation should be deployed. The vulnerability highlights the importance of secure coding practices and input validation in web applications, particularly in CMS platforms where user-generated content and dynamic parameter handling are common. Organizations should also consider implementing web application firewalls to detect and block malicious payloads targeting this specific vulnerability, while maintaining up-to-date vulnerability management processes to identify and remediate similar issues in other applications. Regular security audits and penetration testing should be conducted to identify similar input validation flaws in other components of the web infrastructure, as this vulnerability represents a common pattern in CMS security vulnerabilities that can affect numerous platforms if not properly addressed through defensive coding practices and comprehensive security controls.