Description

A flaw has been found in itsourcecode Sales and Inventory System 1.0. This vulnerability affects unknown code of the file /pages/pos_transac.php?action=add. This manipulation of the argument Customer causes sql injection. The attack can be initiated remotely. The exploit has been published and may be used.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.3",
  "pubDate": "2026-09-07T00:17:47.030Z",
  "pubdate": "2026-09-07T00:17:47.030Z",
  "executiveSummary": "A critical SQL injection vulnerability exists in the itsourcecode Sales and Inventory System version 1.0, specifically within the /pages/pos_transac.php script. The application fails to properly sanitize user-supplied input provided via the 'Customer' argument before incorporating it into backend database queries.\nThis vulnerability allows an unauthenticated remote attacker to manipulate SQL commands, potentially leading to unauthorized data exfiltration, modification, or deletion of sensitive information within the system database. Given that the exploit has been published publicly, the risk of exploitation is high. Successful exploitation grants the attacker the ability to bypass application security controls and interact directly with the database layer, posing a significant risk to the integrity, confidentiality, and availability of the inventory and sales data.",
  "technicalDetails": "The vulnerability is classified as an improper neutralization of special elements used in an SQL command (SQL Injection). The flaw originates in the processing of the 'Customer' parameter within the /pages/pos_transac.php file, triggered when the 'action' parameter is set to 'add'.\nTechnical root cause: The application code directly concatenates input from the 'Customer' argument into an SQL query string without employing prepared statements, parameterized queries, or adequate input validation/escaping. This failure allows an attacker to inject arbitrary SQL syntax into the database query structure.\nAttack Flow: An attacker initiates the exploitation by sending a crafted HTTP POST or GET request to the vulnerable endpoint /pages/pos_transac.php?action=add. Within this request, the 'Customer' argument is populated with malicious SQL payloads designed to manipulate the query logic. For instance, an attacker could supply a payload that terminates the original query using a quote character and appends UNION-based or error-based SQL operations.\nExploitation impact: Upon the application executing the modified query, the database interpreter parses the injected malicious instructions. An attacker can leverage this to retrieve sensitive data from other tables, dump administrative credentials, or potentially execute administrative database commands if the database user permissions are overly permissive. Because the vulnerability is remotely accessible and does not require prior authentication, the barrier to entry for a malicious actor is extremely low.\nThe scope of impact is limited only by the privileges assigned to the database user account utilized by the Sales and Inventory System. In many default configurations, this includes full read/write access to the transaction and customer records, facilitating large-scale data breaches."
}