CVE-2015-4665 in Xsuite
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in ajax_cmd.php in Xceedium Xsuite 2.3.0 and 2.4.3.0 allows remote attackers to inject arbitrary web script or HTML via the fileName parameter.
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Analysis
by VulDB Data Team • 03/25/2025
The CVE-2015-4665 vulnerability represents a critical cross-site scripting flaw in the Xceedium Xsuite 2.3.0 and 2.4.3.0 web applications. This vulnerability resides within the ajax_cmd.php component and specifically targets the fileName parameter, creating a significant security risk for organizations utilizing this suite. The flaw enables remote attackers to execute malicious web scripts or HTML code within the context of other users' browsers, potentially leading to unauthorized access, data theft, or complete system compromise. The vulnerability demonstrates a classic input validation failure where user-supplied data is not properly sanitized before being processed and returned to web clients.
The technical implementation of this XSS vulnerability stems from insufficient output encoding and input validation within the ajax_cmd.php script. When the fileName parameter is passed to the script without proper sanitization, the application directly incorporates this input into dynamic web content without appropriate HTML escaping or context-aware encoding mechanisms. This failure to validate and sanitize user input creates a persistent vector for malicious code injection. The vulnerability is categorized under CWE-79 as a failure to sanitize user input, specifically manifesting as a reflected cross-site scripting attack. Attackers can craft malicious payloads that, when executed, can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
The operational impact of this vulnerability extends beyond simple script injection, potentially allowing attackers to escalate privileges and access sensitive organizational data. Given that Xceedium Xsuite is typically used for security operations and threat management, an exploited XSS vulnerability could provide attackers with access to critical security information, potentially compromising the entire security infrastructure. The attack surface is particularly concerning as it affects multiple versions of the software, indicating a widespread exposure across organizations that have not yet patched their systems. This vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically targeting web-based command execution through malicious script injection. The vulnerability also maps to ATT&CK technique T1531 for Account Access Removal, as successful exploitation could lead to unauthorized access to privileged accounts.
Organizations should immediately implement multiple layers of defense to mitigate this vulnerability. The primary remediation involves patching the affected software versions to the latest available releases that contain proper input validation and output encoding fixes. Additionally, implementing proper input validation and output encoding mechanisms within the web application can prevent similar vulnerabilities from occurring. Security headers such as Content Security Policy should be deployed to limit script execution and prevent unauthorized code injection. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar input validation weaknesses. Network segmentation and monitoring of web traffic can help detect exploitation attempts. The vulnerability also highlights the importance of following secure coding practices and implementing proper input sanitization techniques as outlined in OWASP Top 10 security guidelines, particularly addressing the prevention of XSS vulnerabilities through proper context-aware output encoding and input validation.