CVE-2023-6673 in CyberMath
Summary
by MITRE • 02/02/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in National Keep Cyber Security Services CyberMath allows Reflected XSS.
This issue affects CyberMath: from v.1.4 before v.1.5.
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Analysis
by VulDB Data Team • 05/20/2026
The vulnerability identified as CVE-2023-6673 represents a critical cross-site scripting flaw within the National Keep Cyber Security Services CyberMath application. This reflected XSS vulnerability occurs during the web page generation process when input parameters are not properly sanitized or neutralized before being rendered back to users. The flaw specifically impacts versions of CyberMath ranging from 1.4 through the pre-release state before version 1.5, indicating a window of exposure where the application was susceptible to malicious input manipulation.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the application's web interface. When users submit data through web forms or URL parameters, the system fails to adequately sanitize this input before incorporating it into dynamically generated HTML content. This allows attackers to inject malicious scripts that execute in the context of other users' browsers, leveraging the trust relationship between the victim and the vulnerable application. The reflected nature of this attack means that malicious payloads are delivered via crafted URLs or form submissions that are immediately reflected back to the user's browser, making exploitation straightforward and potentially automated.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking. Attackers could leverage this flaw to perform actions on behalf of authenticated users, potentially accessing sensitive data, modifying application functionality, or redirecting users to malicious websites. The vulnerability particularly concerns applications handling cyber security services where users may have elevated privileges or access to critical systems. The reflected XSS nature allows for rapid deployment of attacks through social engineering tactics, as users might be tricked into clicking malicious links that contain the exploit payload. This creates a significant risk for organizations relying on CyberMath for their cyber security operations, as successful exploitation could compromise entire security workflows.
Mitigation strategies for CVE-2023-6673 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase. The most effective approach involves adopting strict contextual output encoding for all dynamic content, particularly when rendering user-supplied data within HTML contexts. This aligns with CWE-79 which categorizes cross-site scripting vulnerabilities and recommends proper input sanitization and output encoding as primary defenses. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against script injection attempts. Organizations should immediately upgrade to CyberMath version 1.5 or later where the vulnerability has been patched, while also conducting thorough code reviews to ensure no similar input handling issues exist in other application components. The remediation efforts should also include regular security testing and implementation of web application firewalls to detect and prevent exploitation attempts. This vulnerability demonstrates the critical importance of maintaining up-to-date security practices and following the principle of least privilege in web application development, particularly for security-critical tools that handle sensitive operational data.