CVE-2026-3791 in Sales and Inventory System
Summary
by MITRE • 03/09/2026
A vulnerability has been found in SourceCodester Sales and Inventory System 1.0. Affected by this issue is some unknown functionality of the file dashboard.php of the component Search. The manipulation of the argument searchtxt leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 03/10/2026
This vulnerability exists within the SourceCodester Sales and Inventory System version 1.0, specifically affecting the dashboard.php file's Search functionality. The issue stems from improper input validation and sanitization of the searchtxt parameter, which allows malicious actors to inject arbitrary SQL commands into the database query execution process. The vulnerability is classified as a SQL injection flaw that can be exploited remotely, making it particularly dangerous as it does not require physical access to the system or local network privileges to compromise.
The technical exploitation of this vulnerability occurs through the manipulation of the searchtxt argument in the dashboard.php file, where user input is directly concatenated into SQL queries without proper sanitization or parameterization. This allows attackers to craft malicious SQL payloads that can manipulate the database structure, extract sensitive information, modify or delete records, or potentially escalate privileges within the system. The remote exploit capability means that attackers can target the vulnerable system from outside the local network, expanding the potential attack surface significantly.
From a cybersecurity perspective, this vulnerability aligns with CWE-89 which specifically addresses SQL injection flaws in software applications. The attack vector follows the typical patterns described in the MITRE ATT&CK framework under technique T1190 for exploitation of remote services, and T1071.004 for application layer protocol usage. The disclosure of the exploit to the public community accelerates the risk profile as it removes the need for sophisticated attack development and makes the vulnerability accessible to a broader range of threat actors including script kiddies and automated attack tools.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete system compromise, data breaches, and potential regulatory compliance violations. Organizations using this system face significant risks including customer data exposure, financial loss, reputational damage, and potential legal consequences under data protection regulations. The vulnerability affects the core inventory and sales functionality, potentially allowing attackers to manipulate product information, sales records, and user accounts within the system.
Mitigation strategies should include immediate implementation of parameterized queries or prepared statements to prevent SQL injection attacks, input validation and sanitization of all user-supplied data, and regular security updates to address known vulnerabilities. Network-level protections such as web application firewalls and intrusion detection systems should be deployed to monitor for exploitation attempts. Additionally, organizations should conduct comprehensive security assessments, implement proper access controls, and establish incident response procedures to address potential exploitation of this vulnerability. Regular security training for developers on secure coding practices and vulnerability management processes remains essential for preventing similar issues in future system deployments.