CVE-2025-8494 Overview
A critical SQL injection vulnerability has been discovered in code-projects Intern Membership Management System version 1.0. This vulnerability affects the /admin/delete_student.php file, where improper handling of the ID parameter allows attackers to inject malicious SQL queries. The vulnerability can be exploited remotely without authentication, potentially compromising the integrity and confidentiality of the underlying database.
Critical Impact
Remote attackers can exploit this SQL injection vulnerability to read, modify, or delete sensitive data in the database, potentially leading to unauthorized access to student and membership records.
Affected Products
- Carmelo Intern Membership Management System 1.0
Discovery Timeline
- 2025-08-03 - CVE-2025-8494 published to NVD
- 2025-08-05 - Last updated in NVD database
Technical Details for CVE-2025-8494
Vulnerability Analysis
This SQL injection vulnerability exists in the administrative functionality of the Intern Membership Management System. The vulnerable endpoint /admin/delete_student.php accepts an ID parameter that is directly incorporated into SQL queries without proper sanitization or parameterization. This allows attackers to manipulate the query structure by injecting arbitrary SQL commands through the ID parameter.
The vulnerability is network-accessible, meaning it can be exploited remotely by any attacker who can reach the web application. No authentication appears to be required to exploit this flaw, which significantly increases the risk exposure. An attacker could potentially extract sensitive membership data, modify student records, or even gain access to other database tables depending on the database permissions and application architecture.
Root Cause
The root cause of this vulnerability is improper input validation and the failure to use parameterized queries or prepared statements when processing the ID parameter in the delete_student.php file. The application directly concatenates user-supplied input into SQL queries, creating a classic SQL injection attack surface. This is classified under CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component), which encompasses injection vulnerabilities.
Attack Vector
The attack can be initiated remotely over the network. An attacker would craft a malicious HTTP request to the /admin/delete_student.php endpoint with a specially crafted ID parameter containing SQL injection payloads. The vulnerability has been publicly disclosed, and technical analysis documentation is available through external references.
The attacker could use techniques such as UNION-based injection to extract data from other tables, blind SQL injection to infer database contents, or time-based injection for scenarios where direct output is not visible. Depending on database configuration, more severe attacks such as command execution through database-specific features may also be possible.
Detection Methods for CVE-2025-8494
Indicators of Compromise
- Unusual or malformed requests to /admin/delete_student.php containing SQL syntax characters such as single quotes, semicolons, or SQL keywords
- Database error messages appearing in web server logs related to the delete_student functionality
- Unexpected database queries or query patterns in database audit logs
- Evidence of data exfiltration or unauthorized data access in application logs
Detection Strategies
- Implement web application firewall (WAF) rules to detect and block SQL injection patterns targeting the ID parameter
- Monitor HTTP request logs for suspicious patterns in requests to /admin/delete_student.php
- Enable database query logging and alert on queries containing unusual syntax or union statements
- Deploy intrusion detection systems (IDS) with SQL injection signature detection enabled
Monitoring Recommendations
- Review web server access logs for requests containing encoded SQL injection characters targeting the vulnerable endpoint
- Monitor database performance metrics for unusual query patterns that may indicate exploitation attempts
- Set up alerts for HTTP 500 errors or database errors originating from the delete_student.php file
- Implement real-time log analysis for the application to detect potential attack patterns
How to Mitigate CVE-2025-8494
Immediate Actions Required
- Restrict access to the /admin/delete_student.php endpoint through network-level controls until a patch is available
- Implement input validation to reject non-numeric values for the ID parameter
- Deploy a web application firewall (WAF) with SQL injection protection rules
- Consider disabling or removing the vulnerable functionality if it is not business-critical
Patch Information
No official vendor patch has been identified at this time. Organizations using this software should contact the vendor or consider implementing custom fixes. For technical details and analysis of this vulnerability, refer to the VulDB Entry and the Yuque Document for Analysis.
Workarounds
- Implement prepared statements or parameterized queries in the delete_student.php file to properly handle the ID parameter
- Add strict input validation to ensure the ID parameter only accepts numeric integer values
- Apply the principle of least privilege to database accounts used by the application to limit potential damage from successful exploitation
- Place the application behind a reverse proxy with SQL injection filtering capabilities
# Example: Apache mod_security rule to block SQL injection attempts
SecRule ARGS:ID "[\;\'\"\-\-]|union|select|insert|update|delete|drop" \
"id:1001,phase:2,deny,status:403,msg:'SQL Injection Attempt Blocked'"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
