CVE-2025-7604

7.3 HIGH

📋 TL;DR

CVE-2025-7604 is a critical SQL injection vulnerability in PHPGurukul Hospital Management System 4.0 that allows remote attackers to execute arbitrary SQL commands via the Username parameter in /user-login.php. This affects all systems running the vulnerable version, potentially compromising patient data and system integrity.

💻 Affected Systems

Products:
  • PHPGurukul Hospital Management System
Versions: 4.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of version 4.0 are vulnerable. The vulnerability exists in the default login functionality.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, privilege escalation, and potential remote code execution on the underlying server.

🟠

Likely Case

Unauthorized access to sensitive patient records, administrative credentials theft, and database manipulation.

🟢

If Mitigated

Limited impact with proper input validation and database permissions, potentially only error disclosure.

🌐 Internet-Facing: HIGH - Attack can be launched remotely without authentication.
🏢 Internal Only: MEDIUM - Still vulnerable but attack surface reduced to internal network.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploit code is publicly available on GitHub. SQL injection via Username 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. Check vendor website for updates. Consider upgrading to newer version if available.

🔧 Temporary Workarounds

Input Validation Filter

all

Add input validation to sanitize Username parameter before SQL processing

Modify /user-login.php to include: $username = mysqli_real_escape_string($conn, $_POST['Username']);

Web Application Firewall

all

Deploy WAF with SQL injection rules to block malicious requests

🧯 If You Can't Patch

  • Isolate the system behind a firewall with strict access controls
  • Implement network segmentation to limit database server exposure

🔍 How to Verify

Check if Vulnerable:

Test /user-login.php with SQL injection payloads in Username field and observe database errors or unexpected behavior.

Check Version:

Check system documentation or admin panel for version information. Typically displayed in footer or about page.

Verify Fix Applied:

Test with same payloads after applying fixes - should receive proper error messages or reject malicious input.

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL syntax in login attempts
  • Multiple failed login attempts with SQL characters
  • Database error logs showing SQL injection patterns

Network Indicators:

  • HTTP POST requests to /user-login.php containing SQL keywords in parameters
  • Unusual database connection patterns from web server

SIEM Query:

source="web_logs" AND uri="/user-login.php" AND (payload CONTAINS "' OR" OR payload CONTAINS "UNION" OR payload CONTAINS "SELECT" OR payload CONTAINS "--")

🔗 References

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