Critical Vulnerability Information Affected Product Product Name: ONLINE BIDDING SYSTEM Project V1.0 Vendor Homepage: https://code-projects.org/online-bidding-system-in-php-with-source-code/ Affected File: showprod.php Version: V1.0 Software Link: https://code-projects.org/online-bidding-system-in-php-with-source-code/ Vulnerability Type Type: SQL Injection Root Cause The SQL injection vulnerability exists in the file due to insufficient validation of user input for the parameter, allowing attackers to inject malicious code directly into SQL queries. Impact Attackers can exploit this vulnerability to gain unauthorized access to the database, leak sensitive data, modify or delete data, take control of the system, and cause denial-of-service disruptions, posing a severe threat to system security and business continuity. Description During a routine review of the "ONLINE BIDDING SYSTEM" project, a critical SQL injection vulnerability was discovered. The vulnerability stems from inadequate validation of user input for the parameter, enabling attackers to inject malicious code into SQL queries. As a result, attackers can gain unauthorized access to the database, alter or delete data, and access sensitive information. Immediate remediation is required to ensure system security and protect data integrity. Vulnerability Details and POC Exploitable without login or authorization Vulnerable Parameter: Payload Example: - Recommended Remediation 1. Use prepared statements with parameter binding. 2. Implement input validation and filtering. 3. Minimize database user privileges. 4. Conduct regular security audits.