CVE-2007-6564 in Limbo CMS
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in admin.php in Limbo CMS 1.0.4.2 allows remote attackers to inject arbitrary web script or HTML via the com_option parameter.
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Analysis
by VulDB Data Team • 09/30/2025
The CVE-2007-6564 vulnerability represents a critical cross-site scripting flaw discovered in Limbo CMS version 1.0.4.2 within the admin.php administrative interface. This vulnerability specifically targets the com_option parameter, which serves as an input vector for attackers to inject malicious web scripts or HTML content directly into the CMS administration panel. The flaw stems from insufficient input validation and output sanitization mechanisms that fail to properly filter or escape user-supplied data before processing it within the application's administrative functions. This type of vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting vulnerabilities where untrusted data is improperly handled and executed in the context of a victim's browser session.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing HTML or JavaScript code and injects it through the com_option parameter in the admin.php script. When the vulnerable application processes this input without proper sanitization, the injected code becomes part of the page's dynamic content and executes in the context of authenticated administrator sessions. This creates a severe security risk as the malicious script can perform actions with the privileges of the logged-in administrator, potentially leading to complete system compromise, data exfiltration, or unauthorized modifications to the CMS configuration. The vulnerability operates at the application layer and can be classified under the ATT&CK technique T1059.001 for command and scripting interpreter, as it allows for arbitrary code execution through web-based attack vectors.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it provides attackers with elevated privileges within the CMS environment. An attacker who successfully exploits this flaw can manipulate the administrative interface to modify content, create new user accounts, install malicious plugins, or even gain access to sensitive system information. The vulnerability is particularly dangerous because it targets the administrative backend, which typically holds the highest level of system permissions. This makes it a prime target for attackers seeking persistent access to the web application and its underlying infrastructure. The attack can be executed remotely without requiring any local system access, making it an attractive vector for widespread exploitation across multiple installations of the vulnerable CMS version.
Mitigation strategies for CVE-2007-6564 should prioritize immediate patching of the vulnerable Limbo CMS version to the latest available security updates. Organizations must implement comprehensive input validation and output encoding mechanisms throughout their web applications to prevent similar vulnerabilities from occurring. The solution involves applying proper parameter sanitization techniques that escape or filter all user-supplied input before it is processed or displayed in the application interface. Security measures should include implementing Content Security Policy (CSP) headers to limit script execution sources, employing web application firewalls for additional monitoring, and conducting regular security assessments of web applications. Additionally, administrators should follow the principle of least privilege by ensuring that only necessary users have access to administrative functions, and that all administrative sessions are protected with strong authentication mechanisms including multi-factor authentication. The vulnerability demonstrates the critical importance of maintaining up-to-date software components and implementing robust security practices as outlined in the OWASP Top Ten and NIST cybersecurity frameworks.