CVE-2006-1899 in Neuron Blog
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in dev Neuron Blog 1.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) name and (2) website parameters.
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Analysis
by VulDB Data Team • 09/09/2017
The vulnerability identified as CVE-2006-1899 represents a critical security flaw in the dev Neuron Blog software version 1.1 and earlier, specifically targeting cross-site scripting vulnerabilities that enable remote attackers to execute malicious code within the context of victim sessions. This vulnerability resides in the application's handling of user input parameters, particularly the name and website fields, which are processed without adequate sanitization or validation mechanisms. The flaw allows attackers to inject arbitrary web scripts or HTML code that can be executed by other users who view the affected content, creating a persistent threat vector that can compromise user sessions and potentially lead to broader system compromise.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses Cross-Site Scripting flaws in web applications. The vulnerability occurs when the application fails to properly escape or filter user-supplied input before rendering it in web pages, creating an environment where malicious payloads can be executed in the browser context of unsuspecting users. The attack vector is particularly concerning as it requires no privileged access or authentication, making it accessible to any remote attacker who can submit content through the vulnerable blog platform. The name and website parameters represent common entry points for such attacks, as these fields are frequently used in blog comments, user profiles, or contact forms where users expect to enter personal information.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack chains that leverage the compromised user sessions for further exploitation. Attackers can craft malicious payloads that steal session cookies, redirect users to phishing sites, or even inject additional malicious scripts that can harvest sensitive information from the victim's browser. This vulnerability particularly affects the integrity and confidentiality of user data within the blog environment, potentially allowing unauthorized access to user accounts and the ability to post malicious content that can propagate to other users. The persistent nature of the vulnerability means that once exploited, the malicious code can continue to affect users until the application is properly patched and the affected parameters are sanitized.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary solution involves implementing proper input validation and output encoding mechanisms for all user-supplied data, particularly in the name and website parameters. Security measures should include the application of context-specific escaping techniques for HTML, JavaScript, and URL contexts to prevent injection of malicious code. Organizations should also implement Content Security Policy headers to limit the execution of inline scripts and restrict external resource loading. Additionally, regular security audits and code reviews should be conducted to identify similar vulnerabilities in other input fields and application components, following established security frameworks such as the OWASP Top Ten and NIST cybersecurity guidelines. The vulnerability serves as a reminder of the critical importance of input sanitization and output encoding in web application security, particularly for content management systems that process user-generated content.