CVE-2025-9751
📋 TL;DR
CVE-2025-9751 is a SQL injection vulnerability in Campcodes Online Learning Management System 1.0 that allows remote attackers to execute arbitrary SQL commands via the Username parameter in login.php. This can lead to authentication bypass, data theft, or system compromise. All deployments of Campcodes Online Learning Management System 1.0 are affected.
💻 Affected Systems
- Campcodes Online Learning Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise including database takeover, credential theft, and potential remote code execution on the underlying server.
Likely Case
Authentication bypass allowing unauthorized access to the learning management system, followed by data exfiltration or privilege escalation.
If Mitigated
Limited impact if proper input validation and prepared statements are implemented, potentially only causing login failures.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable by attackers with basic SQL injection knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.campcodes.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. If patch available, download and apply. 3. Replace vulnerable login.php with patched version. 4. Test login functionality.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for the Username field in login.php
Modify login.php to use prepared statements: $stmt = $conn->prepare('SELECT * FROM users WHERE username = ?'); $stmt->bind_param('s', $username);
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in login requests
Configure WAF to block requests containing SQL keywords like UNION, SELECT, INSERT, DELETE, DROP in Username parameter
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system from critical assets
- Deploy intrusion detection systems to monitor for SQL injection attempts and block malicious IPs
🔍 How to Verify
Check if Vulnerable:
Test login.php with SQL injection payloads in Username field (e.g., admin' OR '1'='1) and observe if authentication bypass occurs or SQL errors are returned.Check Version:
Check system documentation or admin panel for version information. For web-based verification, check source code comments or version files.Verify Fix Applied:
Attempt the same SQL injection tests after applying fixes. Successful fixes should reject malicious input and maintain proper authentication.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in web server logs
- Multiple failed login attempts with SQL-like patterns in Username field
- Successful logins from unusual IP addresses or user agents
Network Indicators:
- HTTP POST requests to /login.php containing SQL keywords in parameters
- Unusual database query patterns from web server IP
SIEM Query:
source="web_logs" AND url="/login.php" AND (username="*UNION*" OR username="*SELECT*" OR username="*INSERT*" OR username="*' OR '*" OR username="*--*" OR username="*;*" OR username="*/*")