CVE-2014-2035 in Web Control Panel
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in xhr.php in InterWorx Web Control Panel (aka InterWorx Hosting Control Panel and InterWorx-CP) before 5.0.13 build 574 allows remote attackers to inject arbitrary web script or HTML via the i parameter.
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Analysis
by VulDB Data Team • 04/12/2025
The CVE-2014-2035 vulnerability represents a critical cross-site scripting flaw discovered in the InterWorx Web Control Panel, specifically within the xhr.php component. This vulnerability affects versions prior to 5.0.13 build 574 and exposes the control panel to remote code execution risks through malicious web script injection. The flaw manifests when the application fails to properly sanitize user input passed through the i parameter, creating an avenue for attackers to execute arbitrary JavaScript code within the context of authenticated user sessions. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to inject client-side scripts into web pages viewed by other users. This particular implementation vulnerability enables attackers to manipulate the application's behavior by injecting malicious payloads through the i parameter, potentially compromising user sessions and gaining unauthorized access to sensitive system information.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing crafted script content within the i parameter of the xhr.php endpoint. When the vulnerable application processes this input without proper sanitization or output encoding, the injected script executes in the victim's browser within the context of the InterWorx control panel session. This creates a persistent threat vector where attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The impact is particularly severe in a hosting control panel environment where users may have elevated privileges and access to sensitive server configurations, user accounts, and system resources. The vulnerability aligns with ATT&CK technique T1566.001 for Initial Access through Web Shell, as the XSS flaw can be leveraged to establish persistent access to the control panel environment. The flaw represents a classic improper input validation issue where the application trusts user-provided data without adequate sanitization, making it susceptible to malicious manipulation.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with a potential foothold for more sophisticated attacks within the hosting infrastructure. An attacker who successfully exploits this vulnerability can potentially escalate privileges, access other users' accounts, modify system configurations, or even compromise the underlying server. The control panel environment typically contains sensitive information such as user credentials, server configurations, and hosting account details that make it an attractive target for cybercriminals. Organizations using affected versions of InterWorx CP face significant risk of data breaches, unauthorized access to customer accounts, and potential service disruption. The vulnerability can be exploited through various attack vectors including phishing emails, compromised websites, or direct access to the control panel interface. The attack surface is particularly broad given that control panels often serve as central management interfaces for multiple hosting accounts, making a single compromised session potentially devastating to an entire hosting environment.
Mitigation strategies for CVE-2014-2035 focus primarily on implementing proper input validation and output encoding mechanisms within the affected application. Organizations should immediately upgrade to InterWorx Control Panel version 5.0.13 build 574 or later, which contains the necessary patches to address the XSS vulnerability. Additionally, implementing comprehensive input sanitization routines that validate and escape all user-provided parameters before processing can prevent similar vulnerabilities from occurring in the future. The implementation of Content Security Policy headers and proper output encoding techniques such as HTML entity encoding for dynamic content can provide additional defense layers against XSS attacks. Security monitoring should include detection of suspicious parameter values in the i parameter of xhr.php requests, and regular security assessments should be conducted to identify potential injection points within the application. Organizations should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability, while maintaining regular patch management processes to ensure all systems remain protected against known vulnerabilities. The vulnerability underscores the importance of following secure coding practices and adhering to security standards such as those defined in the OWASP Top Ten and NIST Cybersecurity Framework.