Executive Summary

CVE-2025-15243 is a SQL injection vulnerability in the Simple Stock System version 1.0, specifically in the /market/login.php file. The vulnerability occurs because the 'username' parameter is directly used in SQL queries without proper sanitization or validation, allowing attackers to inject malicious SQL code. This enables attackers to manipulate SQL queries, potentially leading to unauthorized database access and other malicious actions. [1, 2, 3]

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Impact Analysis

This vulnerability can lead to unauthorized database access, sensitive data leakage, data tampering, full system control, and potential service disruption. Attackers can exploit it remotely without any authentication, making it easy to perform attacks that compromise confidentiality, integrity, and availability of the system. [2, 3]

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Detection Guidance

This SQL injection vulnerability can be detected by testing the login.php endpoint, specifically the 'username' parameter, for SQL injection flaws. One common approach is to use automated tools like sqlmap to test for injection by sending crafted POST requests to /market/login.php with manipulated 'username' inputs. For example, a command using sqlmap could be: sqlmap -u "http://target/market/login.php" --data="username=admin'--&password=anything" --risk=3 --level=5. Additionally, attackers may be identified by monitoring for unusual or suspicious POST requests targeting /market/login.php with SQL injection payloads. Google dorking such as searching for inurl:market/login.php can help identify vulnerable targets externally. [2, 3]

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Mitigation Strategies

Immediate mitigation steps include: 1) Implement prepared statements with parameter binding in the login.php code to separate SQL commands from user inputs, preventing injection. 2) Apply strict input validation and filtering on the 'username' parameter to ensure it conforms to expected formats. 3) Limit database user permissions to the minimum necessary, avoiding use of high-privilege accounts for routine operations. 4) If possible, replace the affected Simple Stock System 1.0 with an alternative solution that is not vulnerable. These corrective actions are critical to protect system security and maintain data integrity. [2, 3, 1]

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