CVE-2026-78171 in Sales and Inventory System
Summary
by MITRE • 08/24/2026
A vulnerability has been found in itsourcecode Sales and Inventory System 1.0. Affected by this vulnerability is an unknown functionality of the file /pages/processlogin.php. The manipulation of the argument User leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 08/24/2026
The itsourcecode Sales and Inventory System version 1.0 contains a critical security flaw within its authentication mechanism, specifically located in the file pages/processlogin.php. This vulnerability manifests as an SQL injection weakness that arises from improper handling of user-supplied input during the login process. The system fails to adequately sanitize or parameterize the data provided by users before incorporating it into database queries. Consequently, when a user submits credentials through the login form, the application directly embeds these values into Structured Query Language statements without sufficient validation checks against malicious payloads. This architectural oversight allows an attacker to manipulate the intended logic of the SQL query executed on the backend database server.
The technical nature of this flaw aligns with Common Weakness Enumeration identifier CWE-89, which describes Improper Neutralization of Special Elements used in an SQL Command. By injecting carefully crafted strings into the User argument, a remote attacker can alter the structure of the underlying SQL command. This capability enables the extraction of sensitive data from the database, such as administrator usernames and hashed passwords, or potentially allows for unauthorized access to administrative panels by bypassing authentication checks entirely. The vulnerability is exploitable remotely over standard network protocols, meaning that no prior authentication or physical proximity is required to launch an attack against a vulnerable instance of this software.
From an operational perspective, the impact of this SQL injection can be severe and far-reaching. If successful exploitation occurs, attackers may gain unauthorized access to confidential business information stored within the inventory system, including customer details, sales records, and financial data. Furthermore, depending on the database configuration and privileges granted to the application's database user, an attacker might execute administrative operations on the database server itself. This could lead to complete compromise of the underlying infrastructure, resulting in data loss, service disruption, or further lateral movement within a corporate network. The presence of publicly available exploits significantly lowers the barrier for entry, allowing even less sophisticated threat actors to target systems running this specific version of itsourcecode Sales and Inventory System.
To mitigate this risk, immediate remediation is required by developers responsible for maintaining the application codebase. The primary fix involves refactoring the login logic in pages/processlogin.php to utilize prepared statements with parameterized queries rather than string concatenation when building SQL commands. This ensures that user input is treated strictly as data and not as executable code by the database engine. Additionally, implementing strict input validation on all fields can provide an additional layer of defense against injection attempts. Organizations currently deploying this system should consider upgrading to a patched version if one becomes available or replacing it with a more secure alternative until the vulnerability is addressed. Regular security audits and static application security testing are recommended to detect similar issues in other parts of the codebase before they can be exploited by adversaries leveraging techniques associated with ATT&CK tactic T1059, specifically command scripting or database interaction methods used for data exfiltration.