CVE-2008-1955 in MyBoard
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in rep.php in Martin BOUCHER MyBoard 1.0.12 allows remote attackers to inject arbitrary web script or HTML via the id parameter. information.
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Analysis
by VulDB Data Team • 08/10/2025
The vulnerability identified as CVE-2008-1955 represents a classic cross-site scripting flaw within the MyBoard 1.0.12 bulletin board system developed by Martin Boucher. This security weakness exists in the rep.php script which processes user input without adequate sanitization or validation mechanisms. The vulnerability specifically manifests when the application fails to properly handle the id parameter, creating an opening for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers. Such a flaw fundamentally undermines the security posture of the web application by enabling attackers to bypass normal access controls and potentially compromise user sessions or steal sensitive information.
The technical nature of this vulnerability aligns with CWE-79 which defines cross-site scripting as a code injection attack that occurs when an application includes untrusted data in a web page without proper validation or escaping. The flaw operates at the application layer where user-supplied input flows directly into the web response without appropriate sanitization measures. In this particular case, the id parameter serves as the attack vector, allowing remote adversaries to inject malicious payloads that execute in the victim's browser context. The vulnerability's remote exploitability means that attackers can leverage this weakness from any location without requiring physical access to the system or elevated privileges within the application environment.
The operational impact of CVE-2008-1955 extends beyond simple data theft or session hijacking. When successfully exploited, this XSS vulnerability enables attackers to perform a range of malicious activities including but not limited to cookie theft, session fixation attacks, defacement of the bulletin board content, and redirection to malicious websites. The attack surface is particularly concerning for bulletin board systems where users frequently interact with content and where session management is critical for maintaining user authentication. An attacker could potentially use this vulnerability to escalate privileges, access restricted areas of the application, or even gain persistent access through more sophisticated attack chains that leverage the initial XSS payload to establish a foothold within the target environment.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and output encoding mechanisms. The most effective approach involves sanitizing all user-supplied input, particularly parameters like id, before processing or displaying them within web responses. This can be achieved through proper HTML escaping, implementing Content Security Policy headers, and utilizing parameterized queries or secure coding practices. Organizations should also consider implementing web application firewalls that can detect and block malicious payloads attempting to exploit XSS vulnerabilities. The remediation process should include comprehensive code review to identify similar patterns throughout the application, as the presence of one XSS vulnerability often indicates potential for additional flaws in the same codebase. Security teams should also implement regular vulnerability scanning and penetration testing to identify and remediate such issues before they can be exploited in production environments.