CVE-2006-5984 in Helm Web Hosting Control Panel
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Helm Web Hosting Control Panel 3.2.10 allow remote authenticated users to inject arbitrary web script or HTML via the (1) txtCompanyName, (2) txtEmail, or (3) txtUserAccNum parameter to (a) users.asp, or the (4) setThemeColour parameter to (b) default.asp in the Reseller and Admin levels; or the (5) setThemeColour parameter to default.asp in the User level. NOTE: the txtDomainName parameter to domains.asp is covered by CVE-2006-1407, which suggests that this vector is fixed in 3.2.10 stable.
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Analysis
by VulDB Data Team • 04/28/2026
The vulnerability described in CVE-2006-5984 represents a critical cross-site scripting flaw within the Helm Web Hosting Control Panel version 3.2.10 that affects multiple user roles including resellers, administrators, and regular users. This vulnerability stems from insufficient input validation and output encoding mechanisms within the web application's user interface components. The affected parameters include txtCompanyName, txtEmail, txtUserAccNum, and setThemeColour across various ASP pages such as users.asp, default.asp, and domains.asp. These parameters are processed without proper sanitization, creating opportunities for malicious actors to inject arbitrary HTML and JavaScript code into the application's response. The vulnerability impacts the authentication model of the control panel where authenticated users can exploit these flaws to execute malicious scripts in the context of other users' browsers, potentially leading to session hijacking, data theft, or privilege escalation.
The technical implementation of this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications. The flaw manifests when user-supplied data is directly incorporated into web page output without proper HTML escaping or validation. In the context of Helm's control panel, parameters like txtCompanyName, txtEmail, and txtUserAccNum are likely processed in user management contexts where the application displays user-entered information back to authenticated users. Similarly, the setThemeColour parameter in default.asp represents a configuration setting that may be rendered in the user interface without proper sanitization. The attack vector operates through authenticated sessions, meaning that an attacker must first establish credentials within the system before exploiting these vulnerabilities, though the impact extends beyond the immediate attacker's privileges.
The operational impact of CVE-2006-5984 is significant for organizations relying on Helm's control panel for hosting management. The vulnerability creates persistent security risks where attackers can establish malicious payloads that execute in the context of legitimate users' browsers. This could enable attackers to steal session cookies, access sensitive customer data, modify user accounts, or even escalate privileges within the hosting environment. The multi-level impact across reseller, admin, and user roles means that a compromised lower-level account could potentially be leveraged to affect higher-privilege users. Additionally, the persistence of these vulnerabilities in the 3.2.10 stable release indicates inadequate security testing or input validation implementation in the application's development lifecycle, creating long-term exposure for organizations using this version.
Mitigation strategies for this vulnerability should prioritize immediate patching of the Helm Web Hosting Control Panel to version 3.2.10 or later, as referenced in the CVE description. Organizations should implement comprehensive input validation and output encoding mechanisms for all user-supplied data across the application's interface. The implementation should follow established security practices including HTML entity encoding for all dynamic content, proper parameter validation, and the use of secure coding standards such as those outlined in the OWASP Top Ten. Network-level defenses including web application firewalls and intrusion detection systems can provide additional protection layers, though they should not replace proper application-level fixes. Regular security assessments and penetration testing of hosting control panels are essential to identify similar vulnerabilities in other administrative interfaces that may be exposed to authenticated users. The vulnerability also highlights the importance of maintaining up-to-date security patches and implementing proper security monitoring to detect potential exploitation attempts in real-time environments.