CVE-2008-6764 in Silentum LoginSys
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in login.php in Silentum LoginSys 1.0.0 allows remote attackers to inject arbitrary web script or HTML via the message parameter.
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Analysis
by VulDB Data Team • 10/16/2025
The CVE-2008-6764 vulnerability represents a classic cross-site scripting flaw within the Silentum LoginSys 1.0.0 web application framework. This vulnerability specifically targets the login.php script and exploits a weakness in input validation mechanisms, allowing malicious actors to inject arbitrary web scripts or HTML content through the message parameter. The flaw resides in the application's failure to properly sanitize user-supplied input before rendering it within the web page context, creating an exploitable vector for attackers to execute malicious code in the victim's browser.
This vulnerability operates under the Common Weakness Enumeration category CWE-79, which classifies it as a Cross-Site Scripting weakness. The technical implementation involves the application directly incorporating user-provided data from the message parameter into the HTTP response without adequate sanitization or encoding measures. When a victim accesses the vulnerable page and encounters the malicious payload, the browser executes the injected script within the context of the vulnerable application, potentially compromising user sessions and accessing sensitive information.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform session hijacking, deface web applications, steal cookies, and potentially escalate privileges within the application environment. Attackers can craft malicious URLs containing script payloads that, when clicked by unsuspecting users, execute unauthorized actions on behalf of the victims. The vulnerability is particularly dangerous because it affects the core authentication mechanism of the system, potentially allowing attackers to gain unauthorized access to user accounts or manipulate the login process itself.
Mitigation strategies for CVE-2008-6764 should focus on implementing proper input validation and output encoding techniques. The most effective approach involves sanitizing all user input parameters before processing them, particularly those used in dynamic content generation. Implementing Content Security Policy headers, using proper HTML encoding for output, and employing parameterized queries or input validation libraries can significantly reduce the risk. Additionally, the application should be updated to a newer version of Silentum LoginSys that addresses this vulnerability, as the original 1.0.0 version contains multiple security weaknesses that compound the risk. Organizations should also conduct regular security assessments and implement web application firewalls to detect and prevent such attacks. The vulnerability demonstrates the critical importance of input validation in web applications and aligns with ATT&CK technique T1059.001 for command and scripting interpreter, as attackers can leverage XSS to execute malicious commands within user browsers.