CVE-2026-112095 in Inventory System
Summary
by MITRE • 10/19/2026
A flaw has been found in SourceCodester Inventory System 1.0. This affects an unknown part of the file /api/products_handler.php?action=save of the component Product Management. Executing a manipulation of the argument Product_Id/Product_Name can lead to cross site scripting. The attack may be performed from remote. The exploit has been published and may be used.
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Analysis
by VulDB Data Team • 10/19/2026
The SourceCodester Inventory System version 1.0 contains a critical security vulnerability within its product management module, specifically located in the file /api/products_handler.php when handling save actions for products. This flaw manifests as an input validation error where user-supplied data is not adequately sanitized before being processed or reflected back to the client side. The specific vectors of exploitation involve manipulation of the Product_Id and Product_Name arguments passed through this API endpoint. Because these inputs are directly incorporated into the application's response without proper encoding or filtering, they serve as a conduit for injecting malicious scripts that execute in the context of other users' browsers.
This vulnerability is classified under CWE-79, which denotes Improper Neutralization of Input During Web Page Generation commonly known as Cross-Site Scripting (XSS). The nature of this flaw allows an attacker to inject client-side script code into web pages viewed by other users. Since the exploit targets a remote API endpoint that handles data persistence or retrieval for product information, it is particularly dangerous because it can be triggered remotely without requiring physical access to the target system. The availability of published exploits indicates that automated tools and manual attackers can readily leverage this weakness to compromise user sessions, steal sensitive cookies, deface websites, or redirect users to malicious sites designed to phish credentials or distribute malware.
From an operational perspective, the impact of this vulnerability extends beyond simple script execution. Successful exploitation can lead to session hijacking if authentication tokens stored in local storage or cookies are accessed by the injected script. It also undermines data integrity and trust within the inventory management system, as attackers could alter displayed product information dynamically for other users viewing the interface. In enterprise environments relying on this software for supply chain or retail operations, such a breach can disrupt business continuity and expose proprietary data to unauthorized parties. The remote nature of the attack means that no prior authentication is necessarily required if the endpoint is publicly accessible, although even authenticated scenarios pose significant risks due to the potential elevation of privileges through session manipulation.
Mitigation strategies must focus on implementing robust input validation and output encoding mechanisms within the backend PHP code responsible for handling product data. Developers should ensure that all user inputs are strictly validated against expected formats before processing and encoded appropriately when rendered in HTML contexts to prevent script execution. Additionally, deploying a Web Application Firewall can provide an additional layer of defense by filtering out malicious payloads targeting known vulnerability patterns associated with XSS attacks. Updating the software to a patched version if available is the most effective long-term solution, while immediate remediation involves code review and refactoring of the products_handler.php file to enforce secure coding practices aligned with OWASP guidelines for preventing injection flaws.