CVE-2025-6469 Overview
A critical SQL injection vulnerability has been identified in the Fabian Online Bidding System version 1.0. The vulnerability exists in the /details.php file, where improper handling of the ID parameter allows attackers to inject malicious SQL queries. This flaw enables remote attackers to manipulate database queries, potentially leading to unauthorized data access, modification, or deletion.
Critical Impact
Remote attackers can exploit this SQL injection vulnerability to compromise the underlying database, potentially extracting sensitive bidding information, user credentials, and other confidential data without authentication.
Affected Products
- Fabian Online Bidding System 1.0
- code-projects Online Bidding System 1.0
Discovery Timeline
- 2025-06-22 - CVE-2025-6469 published to NVD
- 2025-06-27 - Last updated in NVD database
Technical Details for CVE-2025-6469
Vulnerability Analysis
This SQL injection vulnerability (CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component) occurs due to insufficient input validation in the /details.php file of the Online Bidding System. The application fails to properly sanitize user-supplied input passed through the ID parameter before incorporating it into SQL queries.
The vulnerability is network-accessible, meaning attackers can exploit it remotely without requiring any authentication or user interaction. The exploit has been publicly disclosed, increasing the risk of widespread exploitation attempts against unpatched systems.
Root Cause
The root cause of this vulnerability is the lack of proper input sanitization and parameterized queries in the /details.php endpoint. When user-supplied data from the ID parameter is directly concatenated into SQL queries without proper escaping or prepared statements, it creates an injection point that attackers can leverage to manipulate database operations.
Attack Vector
The attack vector is network-based, allowing remote exploitation. An attacker can craft malicious HTTP requests to the /details.php endpoint with specially formatted ID parameter values containing SQL syntax. These injected SQL commands are then executed by the database server with the privileges of the application's database user.
The vulnerability can be exploited by sending crafted requests to the affected endpoint. The ID parameter accepts unsanitized input that is directly incorporated into database queries, allowing attackers to modify query logic, extract data using UNION-based attacks, or perform blind SQL injection techniques. For detailed technical information, refer to the GitHub CVE Issue Discussion and VulDB #313577.
Detection Methods for CVE-2025-6469
Indicators of Compromise
- Unusual or malformed HTTP requests to /details.php containing SQL syntax characters such as single quotes, double dashes, or UNION statements in the ID parameter
- Database error messages appearing in application logs indicating syntax errors or unexpected query behavior
- Abnormal database query patterns or increased database load from the web application
- Evidence of data exfiltration or unauthorized database access in audit logs
Detection Strategies
- Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns in request parameters
- Deploy database activity monitoring to identify suspicious query patterns including UNION-based attacks and error-based extraction attempts
- Configure intrusion detection systems (IDS) with signatures for common SQL injection payloads targeting PHP applications
- Enable detailed application logging to capture all requests to the /details.php endpoint for forensic analysis
Monitoring Recommendations
- Monitor web server access logs for requests to /details.php with suspicious parameter values
- Set up alerts for database errors indicating potential SQL injection attempts
- Implement rate limiting on the affected endpoint to slow down automated exploitation attempts
- Review database audit logs for unauthorized SELECT, INSERT, UPDATE, or DELETE operations
How to Mitigate CVE-2025-6469
Immediate Actions Required
- Restrict access to the /details.php endpoint through firewall rules or web server configuration until a patch is applied
- Implement input validation to whitelist only numeric values for the ID parameter
- Deploy a Web Application Firewall with SQL injection protection rules
- Review database permissions and ensure the application uses least-privilege database accounts
Patch Information
No official vendor patch has been released at this time. System administrators should monitor the Code Projects Resource for security updates. In the absence of an official patch, implementing the workarounds below is strongly recommended to reduce exposure.
Workarounds
- Implement prepared statements and parameterized queries for all database interactions involving user input
- Add server-side input validation to ensure the ID parameter only accepts integer values
- Deploy a reverse proxy or WAF with SQL injection filtering capabilities in front of the application
- Consider temporarily disabling the vulnerable endpoint if it is not business-critical
# Example: Apache mod_rewrite rule to block suspicious ID parameters
# Add to .htaccess or Apache configuration
RewriteEngine On
RewriteCond %{QUERY_STRING} ^.*ID=.*[';"].*$ [NC,OR]
RewriteCond %{QUERY_STRING} ^.*ID=.*union.*$ [NC,OR]
RewriteCond %{QUERY_STRING} ^.*ID=.*select.*$ [NC]
RewriteRule ^details\.php$ - [F,L]
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
