CVE-2006-2689 in EVA-Web
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in EVA-Web 2.1.2 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) debut_image parameter in (a) article-album.php3, (2) date parameter in (b) rubrique.php3, and the (3) perso and (4) aide parameters to (c) an unknown script, probably index.php.
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Analysis
by VulDB Data Team • 10/17/2025
The CVE-2006-2689 vulnerability represents a critical cross-site scripting flaw affecting EVA-Web version 2.1.2 and earlier systems. This vulnerability resides within the web application's input validation mechanisms, specifically targeting four distinct parameters across different script files. The flaw allows remote attackers to execute malicious scripts within the context of victim browsers, potentially compromising user sessions and data integrity. The vulnerability affects web applications that process user input without proper sanitization, creating an attack surface where malicious actors can inject harmful code into web pages viewed by other users. This type of vulnerability falls under the category of CWE-79, which specifically addresses cross-site scripting flaws in web applications. The attack vector leverages the application's failure to properly validate and sanitize user-supplied input parameters before incorporating them into dynamic web content.
The technical implementation of this vulnerability occurs through four distinct attack points within the EVA-Web application framework. The first vulnerability exists in article-album.php3 where the debut_image parameter accepts unvalidated input that gets directly embedded into web pages. The second vulnerability is found in rubrique.php3 where the date parameter lacks proper input sanitization, allowing attackers to inject malicious scripts. The remaining vulnerabilities target an unknown script that processes both perso and aide parameters, suggesting a broader application flaw in parameter handling. These attack points demonstrate a systemic issue in the application's input validation architecture, where multiple entry points fail to implement consistent security controls. The vulnerability's impact extends beyond simple script injection as it can be exploited to hijack user sessions, steal cookies, or redirect users to malicious sites. This weakness aligns with ATT&CK technique T1059.007, which describes the use of script-based attacks through web applications.
The operational impact of CVE-2006-2689 is significant for organizations using affected EVA-Web versions, as it creates persistent security risks that can be exploited by attackers with minimal technical expertise. Successful exploitation could lead to unauthorized access to user accounts, data breaches, and potential system compromise through session hijacking or credential theft. The vulnerability's presence in multiple files suggests a fundamental flaw in the application's security architecture rather than isolated incidents. Organizations may experience reputational damage, regulatory compliance issues, and potential legal consequences if user data is compromised through exploitation of this vulnerability. The attack complexity is relatively low, making it particularly dangerous as it can be exploited by automated tools or less sophisticated attackers. This vulnerability also creates opportunities for advanced persistent threats where attackers can establish backdoors or maintain long-term access to compromised systems through the persistent XSS payload.
Mitigation strategies for CVE-2006-2689 should focus on immediate input validation and sanitization across all affected application components. Organizations must implement comprehensive parameter validation that strips or encodes potentially malicious input before processing. The recommended approach includes deploying proper output encoding mechanisms, implementing Content Security Policy headers, and ensuring all user-supplied data undergoes rigorous validation before being incorporated into dynamic web content. Application-level protections should include input filtering that removes or escapes special characters that could be used in XSS attacks. System administrators should prioritize updating to patched versions of EVA-Web, as the vulnerability is likely addressed in subsequent releases through improved input validation mechanisms. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though these should not replace proper application-level fixes. Security monitoring should be enhanced to detect suspicious input patterns and potential exploitation attempts, while regular security assessments should verify that all input parameters are properly sanitized. The vulnerability's classification as a persistent security issue underscores the importance of comprehensive remediation rather than temporary workarounds, ensuring that similar flaws do not exist in other application components.