CVE-2008-4896 in Logz
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in fichiers/add_url.php in Logz CMS 1.3.1 allows remote attackers to inject arbitrary web script or HTML via the art parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 08/03/2025
The CVE-2008-4896 vulnerability represents a classic cross-site scripting flaw within the Logz CMS 1.3.1 content management system, specifically located in the fichiers/add_url.php script. This vulnerability exposes the application to remote code execution through malicious web script injection, making it a critical security concern for any organization relying on this CMS platform. The flaw manifests when the application fails to properly sanitize user input passed through the art parameter, creating an opening for attackers to execute arbitrary code within the context of other users' browsers.
The technical nature of this vulnerability aligns with CWE-79, which categorizes cross-site scripting as a code injection flaw that occurs when untrusted data is incorporated into web pages without proper validation or escaping mechanisms. The attack vector specifically targets the art parameter in the add_url.php endpoint, where user-supplied data flows directly into the application's output without adequate sanitization. This allows malicious actors to craft URLs containing script tags or other malicious payloads that get executed when legitimate users browse to affected pages. The vulnerability's classification as a remote attack means that no local access or authentication is required for exploitation, making it particularly dangerous in web applications where users may interact with untrusted content.
From an operational perspective, this vulnerability poses significant risks to both user privacy and application integrity. When successfully exploited, attackers can hijack user sessions, steal sensitive information, deface websites, or redirect users to malicious domains. The impact extends beyond individual user accounts to potentially compromise entire web applications, especially in environments where the CMS handles sensitive data or serves as a central hub for multiple user interactions. The vulnerability's presence in a content management system creates a particularly concerning scenario since CMS platforms often serve as primary entry points for web-based attacks and may contain administrative interfaces that could be compromised to gain full system control.
Organizations should implement multiple layers of defense to mitigate the risks associated with this vulnerability, beginning with immediate patching of the Logz CMS 1.3.1 installation to the latest available version that addresses this specific flaw. Input validation and output encoding should be implemented at the application level to ensure that all user-supplied data is properly sanitized before being processed or displayed. The principle of least privilege should be enforced by restricting the permissions of the CMS application and implementing proper access controls to minimize potential damage from successful exploitation attempts. Additionally, regular security assessments and web application firewalls should be deployed to detect and prevent malicious traffic patterns associated with XSS attacks. The remediation approach should also include comprehensive testing to verify that all user input fields are properly protected against injection attacks, with particular attention to parameters like the art field that were identified as vulnerable in this specific case.