CVE-2006-5035 in vCAP
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Paul Smith Computer Services vCAP 1.7.0 allow remote attackers to inject arbitrary web script or HTML via (1) the statusmsg parameter in RegisterPage.cgi or (2) a URI corresponding to a nonexistent file. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
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Analysis
by VulDB Data Team • 04/09/2025
The vulnerability identified as CVE-2006-5035 represents a critical cross-site scripting flaw affecting Paul Smith Computer Services vCAP 1.7.0 web application. This security weakness stems from inadequate input validation and sanitization mechanisms within the application's handling of user-supplied data, creating exploitable entry points that enable malicious actors to inject arbitrary web scripts or HTML content into web pages viewed by other users. The vulnerability specifically manifests through two distinct attack vectors that demonstrate the application's insufficient sanitization of user inputs.
The first attack vector involves the statusmsg parameter within the RegisterPage.cgi script, where user-provided input is directly incorporated into the web page response without proper validation or encoding. This allows attackers to craft malicious payloads that execute within the context of other users' browsers when they view pages containing the injected content. The second vulnerability occurs through URI handling for nonexistent files, where the application fails to properly sanitize the requested URI before incorporating it into error messages or page content. Both vectors exploit the fundamental principle that web applications must treat all user input as untrusted and must properly escape or encode data before rendering it in web contexts.
From an operational impact perspective, this vulnerability creates severe security implications for organizations using the affected vCAP 1.7.0 software. Attackers can leverage these XSS flaws to perform session hijacking, steal sensitive user credentials, redirect victims to malicious websites, or deface web pages. The attack vectors are particularly concerning because they can be exploited through simple HTTP requests without requiring authentication or specialized tools. The vulnerability falls under CWE-79 - Improper Neutralization of Input During Web Page Generation, which is classified as a critical weakness in web application security. According to the ATT&CK framework, this represents a technique for initial access and privilege escalation through client-side exploitation, specifically categorized under T1566.001 - Phishing: Spearphishing Attachment and T1566.002 - Phishing: Spearphishing Link.
The exploitation of these vulnerabilities can lead to significant data breaches, as attackers can steal session cookies, capture user credentials, or redirect users to malicious sites that can harvest additional sensitive information. Organizations may experience reputational damage, regulatory compliance violations, and potential financial losses due to unauthorized access to user accounts and data. The vulnerability demonstrates the critical importance of input validation and output encoding in web application security, as proper implementation of these security controls would prevent the injection of malicious code into web responses. Mitigation strategies should include implementing comprehensive input validation, output encoding, and content security policies, along with regular security assessments and code reviews to identify similar vulnerabilities in other components of the web application stack.