CVE-2006-6968 in Phorum
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the group moderation control center page in Phorum before 5.1.19 might allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 08/18/2018
The vulnerability identified as CVE-2006-6968 represents a cross-site scripting flaw within the group moderation control center page of the Phorum web forum software. This issue affects versions prior to 5.1.19 and creates a significant security risk by allowing remote attackers to inject malicious web scripts or HTML content into the affected application. The vulnerability stems from insufficient input validation and output encoding mechanisms within the moderation control center interface, which processes user-supplied data without proper sanitization before rendering it to other users. The unspecified vectors suggest that the attack could occur through multiple entry points within the moderation functionality, potentially including form submissions, parameter manipulation, or direct input fields used by administrators.
This XSS vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a critical weakness in web application security. The attack vector allows malicious actors to execute arbitrary scripts in the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized administrative actions. The group moderation control center represents a privileged interface where administrators manage forum content, making this vulnerability particularly dangerous as it could enable attackers to escalate privileges or manipulate forum operations. The impact extends beyond simple script execution since the moderation center likely handles sensitive administrative data and user management functions, creating opportunities for more sophisticated attacks.
The operational impact of this vulnerability is substantial as it compromises the integrity and confidentiality of the Phorum forum environment. When exploited, the XSS attack could allow attackers to steal administrator sessions, modify forum content, delete posts, or even gain full control over the forum's administrative functions. The vulnerability affects the trust model of the application since legitimate users may unknowingly execute malicious scripts when viewing pages containing injected content. This type of vulnerability undermines the security posture of the entire forum system and could lead to data breaches, reputational damage, and potential legal consequences for organizations relying on the affected software.
Mitigation strategies for CVE-2006-6968 should prioritize immediate patching of the Phorum software to version 5.1.19 or later, which contains the necessary security fixes. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application, particularly in administrative interfaces where privileged operations occur. The implementation of Content Security Policy headers can provide additional protection against XSS attacks by restricting script execution and controlling resource loading. Regular security auditing and penetration testing of web applications should be conducted to identify similar vulnerabilities, with particular attention to privileged interfaces and administrative controls. Network monitoring and intrusion detection systems should be configured to detect suspicious patterns associated with XSS attempts, while user education regarding the risks of clicking untrusted links or submitting unexpected content remains essential. The vulnerability demonstrates the critical importance of maintaining up-to-date software and implementing defense-in-depth strategies to protect against common web application security flaws.