CVE-2006-0124 in ADN Forum
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in crear.php in ADN Forum 1.0b allows remote attackers to inject arbitrary web script or HTML via the titulo parameter, which is used by the "Topic name" field.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 01/11/2019
The vulnerability identified as CVE-2006-0124 represents a classic cross-site scripting flaw within the ADN Forum 1.0b software ecosystem. This security weakness resides in the crear.php script which handles topic creation functionality, specifically targeting the titulo parameter that corresponds to the "Topic name" field in the forum's user interface. The flaw enables malicious actors to inject arbitrary web scripts or HTML content directly into the forum's topic creation process, creating a persistent security risk that affects all users interacting with the affected platform.
The technical implementation of this vulnerability stems from inadequate input validation and output sanitization within the ADN Forum's web application. When users submit topic names through the titulo parameter, the application fails to properly sanitize or encode the input before storing and displaying it within the web page context. This absence of proper security controls creates an exploitable condition where attacker-controlled content can be executed in the browsers of other forum users who view the affected topics. The vulnerability specifically aligns with CWE-79 which categorizes cross-site scripting as a weakness involving the improper handling of untrusted data within web applications.
The operational impact of this vulnerability extends beyond simple data corruption or display issues, as it provides attackers with a vector for more sophisticated attacks within the forum environment. Once exploited, the malicious scripts could potentially steal session cookies, redirect users to phishing sites, deface forum content, or even establish persistent backdoors within the affected community. The attack surface is particularly concerning given that forum platforms typically host sensitive user interactions and personal information, making this vulnerability a significant risk for user privacy and platform integrity.
Security professionals should note that this vulnerability demonstrates the critical importance of implementing comprehensive input validation and output encoding mechanisms across all user-facing application parameters. The flaw serves as a textbook example of why web applications must treat all user input as potentially malicious and why proper context-aware encoding should be applied before any data is rendered in web contexts. Organizations should implement strict sanitization routines and consider adopting secure coding practices that align with the OWASP Top Ten security guidelines to prevent similar vulnerabilities from occurring in their own applications.
Mitigation strategies for this vulnerability should include immediate implementation of input validation that filters or encodes special characters within the titulo parameter, along with comprehensive output encoding that ensures any user-supplied content is properly escaped before rendering in HTML contexts. The affected ADN Forum 1.0b platform should be updated to a patched version or replaced with a more secure forum solution. Additionally, security monitoring should be enhanced to detect any suspicious activity related to topic creation and user input handling, while regular security assessments should be conducted to identify and remediate similar weaknesses in the application's codebase.
The vulnerability's classification as a persistent XSS issue means that the malicious code will continue to execute for all users who access the affected topics until proper remediation is implemented. This characteristic makes the vulnerability particularly dangerous in community-driven platforms where users frequently interact with content created by others, potentially leading to widespread compromise of user sessions and data exposure across the entire forum ecosystem. Security teams must prioritize this vulnerability for immediate remediation while considering the broader implications for the platform's overall security posture and user trust.