CVE-2026-75497 in QloApps
Summary
by MITRE • 08/25/2026
Webkul QloApps does not validate request parameters before a database query. A remote, authenticated attacker with administrative privileges could send a crafted SQL query to the 'bo_query' parameter in the 'CustomerMessage.php' file. Fixed in 123c97c.
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Analysis
by VulDB Data Team • 08/25/2026
The vulnerability identified involves a critical lack of input validation within the QloApps e-commerce platform, specifically affecting the CustomerMessage module developed by Webkul. This flaw allows for SQL injection attacks against the underlying database system. The root cause lies in the improper handling of user-supplied data where request parameters are passed directly into database queries without adequate sanitization or parameterization. In this specific instance, the vulnerability is located within the CustomerMessage.php file and is triggered via the bo_query parameter. Because QloApps relies on dynamic SQL construction to process administrative tasks related to customer communications, any unsanitized input provided through this endpoint can be interpreted as part of the database command structure rather than mere data payload.
From a technical perspective, this represents a classic injection flaw where the application fails to distinguish between code and data. When an authenticated administrator sends a crafted request containing malicious SQL syntax in the bo_query parameter, the backend processes this input directly within a query string. This allows the attacker to manipulate the logic of the database operation. Depending on the configuration of the underlying Database Management System and the privileges associated with the application's database user account, this could lead to unauthorized data retrieval, modification, or deletion. It may also potentially allow for command execution if specific database features like xp_cmdshell are enabled in Microsoft SQL Server environments, although standard SQL injection primarily targets data integrity and confidentiality.
The operational impact of this vulnerability is significant due to the authentication requirement. The attacker must possess administrative privileges within the QloApps interface before exploitation can occur. This constraint limits the attack surface compared to unauthenticated vulnerabilities but does not mitigate the severity for compromised admin accounts or insider threats. An attacker with these elevated permissions could exfiltrate sensitive customer data, including personally identifiable information and payment details stored in the database. Furthermore, they could alter order statuses, manipulate inventory levels, or disrupt business operations by corrupting critical tables associated with customer messages and interactions. The ability to execute arbitrary SQL commands effectively grants full control over the application's data layer, bypassing all other security controls implemented at the application logic level.
This vulnerability aligns with CWE-89 Improper Neutralization of Special Elements used in an SQL Command, which categorizes flaws where software does not properly neutralize special elements that could alter database commands. In terms of offensive cybersecurity frameworks, this behavior corresponds to ATT&CK technique T1059 Command and Scripting Interpreter, specifically the sub-technique for SQL commands (T1059.007), as it involves using a specific interpreter language to execute unauthorized operations against a backend system. The exploitation vector is classified under Network-Based attacks with Authentication Required, indicating that while remote access is possible, valid credentials are a prerequisite.
To mitigate this risk, the primary remediation strategy implemented in version 123c97c and subsequent releases involves strict input validation and the use of prepared statements or parameterized queries for all database interactions involving user-supplied data. Developers should ensure that no dynamic SQL construction occurs with unsanitized inputs from HTTP requests. Additionally, implementing a Web Application Firewall can provide an additional layer of defense by detecting and blocking known SQL injection patterns before they reach the application logic. Regular security audits focusing on input handling in administrative modules are recommended to prevent similar issues. Administrators should also enforce least privilege principles for database accounts used by QloApps, ensuring that even if an injection occurs, the potential damage is contained within a restricted set of permissions.