CVE-2024-3791 in WBSAirback
Summary
by MITRE • 05/14/2024
Vulnerability in WBSAirback 21.02.04, which consists of a stored Cross-Site Scripting (XSS) through /admin/SystemConfiguration, name / free memory limit fields , type / password parameters. Exploitation of this vulnerability could allow a remote user to send a specially crafted URL to the victim and steal their session data.
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Analysis
by VulDB Data Team • 04/06/2025
The vulnerability identified as CVE-2024-3791 represents a critical stored cross-site scripting flaw within WBSAirback version 21.02.04, specifically affecting the administrative system configuration interface. This vulnerability exists in the /admin/SystemConfiguration endpoint where user-supplied input is not properly sanitized or validated before being rendered back to users. The affected parameters include name fields, free memory limit specifications, type identifiers, and password configurations, all of which can be manipulated to inject malicious script code into the application's response. The stored nature of this vulnerability means that the malicious payload is permanently saved within the application's database and executed whenever the affected page is accessed by any user, including administrators. This creates a persistent threat vector that can be exploited by remote attackers without requiring any special privileges or authentication to the target system.
The technical exploitation of this vulnerability follows a standard XSS attack pattern where an attacker crafts a malicious payload containing script code and submits it through the vulnerable configuration fields. When the system processes this input and displays it in the administrative interface, the embedded JavaScript executes in the context of the victim's browser session. This allows attackers to perform actions such as stealing session cookies, modifying user permissions, accessing sensitive configuration data, or redirecting users to malicious websites. The vulnerability directly maps to CWE-79, which defines Cross-Site Scripting as a condition where an application includes untrusted data in a new web page without proper validation or escaping, or where the application uses an API in an unsafe way. The attack surface is particularly concerning because it targets administrative interfaces, which typically have elevated privileges and access to sensitive system information.
The operational impact of CVE-2024-3791 extends beyond simple session hijacking, as it can enable attackers to gain persistent access to the WBSAirback system and potentially escalate privileges within the network. Administrators who view the compromised configuration pages become victims of the stored XSS, making this vulnerability particularly dangerous for environments where multiple administrators interact with the system. The stolen session data could allow attackers to impersonate legitimate users, modify system configurations, access backup files, or perform unauthorized administrative tasks. This vulnerability also aligns with ATT&CK technique T1566, which covers social engineering tactics involving the delivery of malicious payloads through compromised web applications. The impact is amplified when considering that WBSAirback systems often handle sensitive backup and archive data, making successful exploitation potentially catastrophic for organizations relying on the platform for critical data management operations.
Organizations should immediately implement multiple layers of mitigation strategies to address this vulnerability. The primary defense mechanism involves implementing strict input validation and output encoding for all user-supplied data within the administrative interface, particularly in fields that accept configuration parameters. This includes sanitizing all input through proper HTML escaping, implementing Content Security Policy headers, and using secure coding practices that prevent direct injection of user data into web responses. Regular security audits should be conducted to identify and remediate similar vulnerabilities in other system components, while also implementing web application firewalls to detect and block suspicious script payloads. The system should be updated to the latest version of WBSAirback that addresses this vulnerability, and administrators should be trained to recognize potential XSS attack vectors. Additionally, implementing role-based access controls and monitoring for unusual administrative activities can help detect exploitation attempts, while regular security assessments should be performed to identify other potential injection points within the application stack.