CVE-2026-86163 in Sales and Inventory System
Summary
by MITRE • 09/06/2026
A vulnerability was identified in itsourcecode Sales and Inventory System 1.0. This impacts an unknown function of the file /pages/pro_del.php. The manipulation of the argument ID leads to sql injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.
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Analysis
by VulDB Data Team • 09/06/2026
The itsourcecode Sales and Inventory System version 1.0 contains a critical security flaw within its administrative or inventory management module, specifically located in the file pages/pro_del.php. This vulnerability manifests as an SQL injection weakness that arises from improper input validation and sanitization practices when handling user-supplied data. The system fails to adequately process the ID argument passed through HTTP requests before incorporating it into database queries. Consequently, this allows attackers to inject malicious SQL commands directly into the backend database structure, bypassing intended security controls and manipulating query execution logic.
From a technical perspective, the core issue lies in the lack of parameterized queries or prepared statements when processing deletion operations for product records. Instead of treating the ID input as a literal value, the application interprets it as part of the SQL syntax. This design flaw enables remote attackers to construct crafted payloads that can alter database behavior beyond simple data retrieval. The ability to execute arbitrary SQL commands means an attacker could potentially extract sensitive information from other tables, modify existing records, or even drop critical database objects depending on the privileges assigned to the application's database user account.
The operational impact of this vulnerability is severe due to its remote exploitability and the public availability of proof-of-concept exploits. Attackers do not require authentication if the affected endpoint is accessible without proper access controls, although many such systems may have additional layers like login screens that could be bypassed or targeted separately. The presence of publicly available exploitation tools significantly lowers the barrier for entry, allowing less skilled threat actors to compromise the system. Successful exploitation can lead to unauthorized disclosure of confidential business data including customer details, sales records, and inventory levels, which violates fundamental principles of confidentiality and integrity within information security frameworks.
This vulnerability aligns with Common Weakness Enumeration identifier CWE-89 Improper Neutralization of Special Elements used in an SQL Command. It also maps to the MITRE ATT&CK framework under techniques related to Database Access such as T1213 Data from Information Repositories, where adversaries leverage injected commands to exfiltrate data directly from the database layer rather than through application logic alone. The remote nature of the attack classifies it within network-based exploitation vectors that can be initiated over standard web protocols without physical or local system access.
Mitigation strategies must focus on immediate remediation and long-term secure coding practices. Developers should refactor the pro_del.php script to utilize parameterized queries or prepared statements, ensuring that all user inputs are treated strictly as data rather than executable code. Input validation routines should be implemented to enforce strict type checking for numeric identifiers like product IDs, rejecting any input containing non-numeric characters unless explicitly required by business logic. Additionally, implementing a Web Application Firewall can provide an interim layer of defense by filtering out known malicious SQL patterns before they reach the application server. Regular security audits and static code analysis tools should be integrated into the development lifecycle to detect such injection points early. Restricting database user permissions to only those necessary for operation will also limit the potential damage if exploitation occurs, adhering to the principle of least privilege.