CVE-2026-3980
📋 TL;DR
This SQL injection vulnerability in Online Doctor Appointment System 1.0 allows attackers to manipulate database queries through the patient_id parameter in /admin/patient_action.php. Attackers can potentially read, modify, or delete sensitive medical appointment data. All deployments of version 1.0 are affected.
💻 Affected Systems
- itsourcecode Online Doctor Appointment System
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to exposure of all patient medical records, appointment details, and admin credentials, potentially enabling full system takeover.
Likely Case
Unauthorized access to patient appointment data, modification of appointment records, and potential extraction of sensitive information from the database.
If Mitigated
Limited data exposure if proper input validation and database permissions are in place, with minimal impact on system availability.
🎯 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://itsourcecode.com/
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries and input validation in /admin/patient_action.php to sanitize patient_id parameter.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests to /admin/patient_action.php
Input Validation Filter
allAdd server-side validation to only accept numeric values for patient_id parameter
Add PHP validation: if(!is_numeric($_POST['patient_id'])) { die('Invalid input'); }
🧯 If You Can't Patch
- Restrict access to /admin/ directory to trusted IP addresses only
- Disable the vulnerable system and migrate to a secure alternative
🔍 How to Verify
Check if Vulnerable:
Test the patient_id parameter in /admin/patient_action.php with SQL injection payloads like ' OR '1'='1Check Version:
Check system documentation or configuration files for version informationVerify Fix Applied:
Verify that SQL injection payloads no longer work and return error messages or are properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts or parameter manipulation in /admin/patient_action.php
Network Indicators:
- SQL keywords in HTTP POST requests to /admin/patient_action.php
- Unusual database query patterns
SIEM Query:
source="web_logs" AND uri="/admin/patient_action.php" AND (request_body CONTAINS "UNION" OR request_body CONTAINS "SELECT" OR request_body CONTAINS "OR '1'='1'")