CVE-2006-6046 in eggblog
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in eggblog 3.1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) edit parameter to (a) admin/articles.php or (b) admin/comments.php, or the (2) add parameter to admin/users.php.
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Analysis
by VulDB Data Team • 04/28/2026
The CVE-2006-6046 vulnerability represents a critical cross-site scripting flaw discovered in eggblog version 3.1.0, a content management system that was widely used for blog management. This vulnerability stems from inadequate input validation and sanitization mechanisms within the administrative interfaces of the application, creating exploitable entry points for malicious actors seeking to compromise the system. The flaw specifically affects three key administrative scripts: admin/articles.php, admin/comments.php, and admin/users.php, making it particularly dangerous as it targets the core administrative functions of the blogging platform.
The technical implementation of this vulnerability occurs through improper handling of user-supplied data in the edit and add parameters of the affected scripts. When administrators or users interact with these parameters without proper sanitization, malicious payloads can be injected and subsequently executed within the browser context of other users who access the affected pages. The vulnerability manifests in two distinct attack vectors: the first involves manipulation of the edit parameter within the articles.php and comments.php administrative modules, while the second targets the add parameter in users.php. Both vectors exploit the same fundamental weakness in input processing, where the application fails to adequately filter or escape user-provided content before rendering it in web responses.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with the capability to execute arbitrary web scripts and HTML code within the context of authenticated administrative sessions. This opens the door to numerous malicious activities including session hijacking, data exfiltration, privilege escalation, and potential full system compromise. Attackers can leverage these XSS vulnerabilities to steal administrator credentials, modify blog content, inject malicious redirects, or establish persistent backdoors within the compromised system. The vulnerability's severity is amplified by the fact that it affects administrative functions, meaning successful exploitation could result in complete control over the blog's content management system and potentially the underlying server infrastructure.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-79 (Cross-site Scripting) and represents a classic example of insecure input handling that violates fundamental security principles outlined in the OWASP Top Ten. The attack pattern corresponds to techniques described in the MITRE ATT&CK framework under the Tactic of Execution and Persistence, specifically targeting the Web Application Attack Surface. Organizations affected by this vulnerability should implement immediate mitigations including input validation, output encoding, and the implementation of Content Security Policies to prevent script execution. The remediation process requires thorough code review of all user input handling mechanisms, implementation of proper sanitization routines, and regular security testing to prevent similar vulnerabilities from emerging in future releases. Additionally, administrators should consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts targeting these specific parameters.