CVE-2025-4794
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Online Course Registration 3.1 allows attackers to manipulate database queries through the 'newstitle' parameter in /news.php. Remote attackers can potentially access, modify, or delete sensitive data in the database. All systems running the vulnerable version are affected.
💻 Affected Systems
- PHPGurukul Online Course Registration
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to RCE chaining
Likely Case
Unauthorized data access, credential theft, and potential privilege escalation
If Mitigated
Limited impact with proper input validation and database permissions restricting damage scope
🎯 Exploit Status
Exploit details publicly available on GitHub, simple SQL injection attack
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Check vendor website for updates or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd parameterized queries and input validation to /news.php
Modify news.php to use prepared statements: $stmt = $conn->prepare('SELECT * FROM news WHERE title = ?'); $stmt->bind_param('s', $newstitle);
WAF Rule Implementation
allBlock SQL injection patterns targeting /news.php
Add WAF rule: SecRule ARGS:newstitle "@detectSQLi" "id:1001,phase:2,deny,status:403"
🧯 If You Can't Patch
- Block external access to /news.php via firewall rules
- Implement database user with minimal permissions (read-only if possible)
🔍 How to Verify
Check if Vulnerable:
Test /news.php with SQL injection payloads like ' OR '1'='1 in newstitle parameterCheck Version:
Check application version in admin panel or source code commentsVerify Fix Applied:
Test with same payloads and verify no database errors or unexpected behavior📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in PHP/application logs
- Unusual database queries from web server IP
Network Indicators:
- HTTP requests to /news.php with SQL keywords in parameters
- Abnormal database traffic patterns
SIEM Query:
source="web_logs" AND uri="/news.php" AND (param="newstitle" AND value MATCHES "(?i)(union|select|insert|delete|update|drop|--|'|;)")