CVE-2025-3213
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul e-Diary Management System 1.0 allows attackers to manipulate database queries through the remark parameter in view-note.php. Attackers can potentially read, modify, or delete database contents, including sensitive user data. Organizations using this specific version of the e-Diary system are affected.
💻 Affected Systems
- PHPGurukul e-Diary Management System
📦 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 remote code execution.
Likely Case
Unauthorized access to sensitive diary entries, user credentials, and personal information stored in the database.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only allowing data viewing without modification.
🎯 Exploit Status
Public exploit available on GitHub, requires minimal technical skill to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd parameterized queries or input validation to the view-note.php file
Edit /view-note.php to use prepared statements with PDO or mysqli
Web Application Firewall Rule
allBlock SQL injection patterns targeting the remark parameter
Add WAF rule: deny requests with SQL keywords in remark parameter
🧯 If You Can't Patch
- Restrict access to /view-note.php using IP whitelisting or authentication
- Implement database user with minimal permissions (read-only if possible)
🔍 How to Verify
Check if Vulnerable:
Test the /view-note.php?noteid=11 endpoint with SQL injection payloads in remark parameterCheck Version:
Check system documentation or admin panel for version informationVerify Fix Applied:
Attempt SQL injection after implementing fixes; should return error or no database interaction📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple requests to view-note.php with special characters
Network Indicators:
- HTTP requests containing SQL keywords (UNION, SELECT, etc.) in remark parameter
SIEM Query:
source="web_logs" AND uri="/view-note.php" AND (query CONTAINS "UNION" OR query CONTAINS "SELECT" OR query CONTAINS "--")