CVE-2005-4381 in Caravel CMS
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Caravel CMS 3.0 Beta 1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) fileDN and (2) folderviewer_attrs parameters.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 05/07/2025
The CVE-2005-4381 vulnerability represents a critical cross-site scripting flaw in Caravel CMS versions 3.0 Beta 1 and earlier, demonstrating a fundamental failure in input validation and output sanitization within web applications. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically manifesting as reflected XSS attacks that can be exploited by remote attackers without requiring any special privileges or authentication. The vulnerability affects two distinct parameter inputs: fileDN and folderviewer_attrs, which are processed within the CMS interface and subsequently rendered to end users without proper sanitization mechanisms.
The technical exploitation of this vulnerability occurs when malicious actors craft specially formatted input strings containing embedded script code that gets executed in the context of other users' browsers. When the vulnerable parameters fileDN and folderviewer_attrs receive unfiltered input, the CMS fails to properly escape or validate the data before rendering it in web pages, creating opportunities for attackers to inject malicious JavaScript code, HTML content, or other harmful payloads. This flaw allows attackers to potentially steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or execute arbitrary commands within the browser context of authenticated users.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable attackers to establish persistent footholds within web applications that users trust. In the context of content management systems, this vulnerability can compromise the integrity of entire websites, allowing attackers to modify content, inject malicious advertisements, or create backdoors for continued access. The reflected nature of the XSS attack means that victims must be tricked into clicking malicious links or visiting compromised pages containing the attacker's payload, making this vulnerability particularly dangerous in social engineering campaigns where users are induced to interact with malicious content.
From a security framework perspective, this vulnerability directly relates to ATT&CK technique T1531 for 'Establishment of Persistence' and T1059 for 'Command and Scripting Interpreter' through browser-based execution. Organizations running vulnerable versions of Caravel CMS face significant risk of data breaches, user credential theft, and potential compromise of entire web infrastructures. The vulnerability's impact is amplified by the fact that it affects core CMS functionality parameters that are likely to be used in normal operation, making detection and prevention more challenging. Proper mitigation requires immediate patching of the CMS to version 3.0 Beta 2 or later, which includes proper input validation and output encoding mechanisms.
The remediation approach for CVE-2005-4381 involves implementing comprehensive input sanitization and output encoding procedures for all user-supplied data, particularly parameters that are rendered in web contexts. This includes implementing proper HTML entity encoding, using Content Security Policy headers, and ensuring that all CMS parameters undergo strict validation before processing. Organizations should also consider implementing web application firewalls and regular security testing to identify similar vulnerabilities in other components of their web infrastructure. The vulnerability serves as a critical reminder of the importance of input validation and output encoding in preventing XSS attacks, as outlined in OWASP Top 10 security guidelines and industry best practices for secure web application development.