CVE-2025-2649
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Doctor Appointment Management System 1.0 allows attackers to execute arbitrary SQL commands through the /check-appointment.php file. Remote attackers can potentially access, modify, or delete sensitive medical appointment data. All users running the vulnerable version are affected.
💻 Affected Systems
- PHPGurukul Doctor Appointment Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including patient medical records, appointment details, and potentially administrative credentials leading to data theft, system takeover, or data destruction.
Likely Case
Unauthorized access to appointment data, patient information exposure, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only allowing data viewing without modification.
🎯 Exploit Status
Exploit details are publicly available on GitHub. SQL injection via searchdata parameter requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Implement input validation and parameterized queries in /check-appointment.php.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to sanitize searchdata parameter inputs before processing SQL queries.
Implement prepared statements with parameterized queries in PHP code
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting /check-appointment.php
Add WAF rule: Block requests with SQL keywords in searchdata parameter
🧯 If You Can't Patch
- Disable or restrict access to /check-appointment.php endpoint
- Implement network segmentation to isolate the application from sensitive databases
🔍 How to Verify
Check if Vulnerable:
Test /check-appointment.php with SQL injection payloads in searchdata parameter (e.g., searchdata=' OR '1'='1)Check Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that SQL injection attempts no longer succeed and proper input validation is implemented📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts via /check-appointment.php
- SQL error messages containing database structure
Network Indicators:
- HTTP POST requests to /check-appointment.php with SQL keywords in parameters
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND uri="/check-appointment.php" AND (param="searchdata" AND value CONTAINS "UNION" OR value CONTAINS "SELECT" OR value CONTAINS "OR '1'='1")