CVE-2006-0934 in Limbo Cms
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in webinsta Limbo 1.0.4.2 allows remote attackers to inject arbitrary web script or HTML via the message field in the Contact Form.
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Analysis
by VulDB Data Team • 09/08/2017
The vulnerability described in CVE-2006-0934 represents a classic cross-site scripting flaw within the webinsta Limbo 1.0.4.2 content management system. This particular weakness exists in the contact form functionality where user input is not properly sanitized or validated before being rendered back to other users. The vulnerability specifically targets the message field within the contact form, making it a prime target for malicious actors seeking to exploit web application security gaps. Such vulnerabilities fall under the broader category of injection attacks that have been consistently identified as critical threats in web security assessments.
The technical implementation of this XSS vulnerability stems from inadequate input validation mechanisms within the webinsta Limbo application. When users submit messages through the contact form, the application fails to properly escape or sanitize special characters that could be interpreted as HTML or JavaScript code. This processing gap allows attackers to inject malicious scripts that execute in the context of other users' browsers who view the affected content. The vulnerability is classified as a reflected XSS attack since the malicious payload is immediately reflected back to users without being stored on the server. This type of vulnerability is particularly dangerous because it can be triggered through crafted URLs or form submissions, making it easily exploitable through social engineering techniques.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable more sophisticated attacks within the target environment. An attacker could potentially steal session cookies, redirect users to malicious sites, or even execute arbitrary commands on vulnerable systems. The attack surface is particularly concerning given that contact forms are commonly used by legitimate users and often contain sensitive information. According to CWE standards, this vulnerability maps to CWE-79 which specifically addresses Cross-site Scripting flaws, and aligns with ATT&CK technique T1566 which covers Phishing with Malicious Attachments or Links. The vulnerability also relates to T1212 which covers Exploitation for Credential Access through web application attacks.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary fix involves implementing proper input sanitization and output encoding mechanisms throughout the application's codebase, particularly in the contact form processing logic. This includes employing HTML entity encoding for all user-supplied content before rendering it in web pages, and implementing strict input validation that rejects or removes potentially dangerous characters. Organizations should also consider implementing Content Security Policies to limit the execution of unauthorized scripts. Additionally, regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities in other parts of the application. The remediation process should follow established security frameworks such as OWASP Top Ten guidelines and incorporate secure coding practices that prevent similar injection vulnerabilities from occurring in future development cycles.