CVE-2025-28072

7.5 HIGH

📋 TL;DR

PHPGurukul Pre-School Enrollment System contains a directory traversal vulnerability in manage-teachers.php that allows attackers to access files outside the intended directory. This affects all systems running the vulnerable software version. Attackers can potentially read sensitive files like configuration files or source code.

💻 Affected Systems

Products:
  • PHPGurukul Pre-School Enrollment System
Versions: All versions prior to patch (specific version information not provided in reference)
Operating Systems: Any OS running PHP web server
Default Config Vulnerable: ⚠️ Yes
Notes: Requires the manage-teachers.php file to be accessible and the application to be installed with default or vulnerable configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise through reading sensitive configuration files containing database credentials, followed by database access and potential data exfiltration or further attacks.

🟠

Likely Case

Unauthorized reading of sensitive files such as configuration files, source code, or other system files containing credentials or sensitive information.

🟢

If Mitigated

Limited impact with proper file permissions and web server configuration restricting access to sensitive directories.

🌐 Internet-Facing: HIGH - Web applications exposed to the internet are directly accessible to attackers without network perimeter controls.
🏢 Internal Only: MEDIUM - Internal attackers or compromised internal systems could exploit this vulnerability to escalate privileges or access sensitive data.

🎯 Exploit Status

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

Directory traversal vulnerabilities are typically easy to exploit with simple HTTP requests using ../ sequences. The GitHub reference suggests proof-of-concept details are available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: Not available

Restart Required: No

Instructions:

1. Check PHPGurukul website or repository for security updates. 2. Apply any available patches for the Pre-School Enrollment System. 3. Validate the fix by testing the directory traversal vulnerability.

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Implement proper input validation to reject directory traversal sequences in file parameters

Modify manage-teachers.php to validate and sanitize all file path inputs using functions like realpath() and basename()

Web Server Configuration

all

Configure web server to restrict file access to specific directories

For Apache: Set appropriate Directory and Location directives in httpd.conf
For Nginx: Configure location blocks with proper root and try_files directives

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block directory traversal patterns in HTTP requests
  • Restrict network access to the application using firewall rules to limit exposure

🔍 How to Verify

Check if Vulnerable:

Test by accessing manage-teachers.php with directory traversal payloads like ?file=../../../etc/passwd and check if sensitive files are returned

Check Version:

Check application version in admin panel or by examining source code files for version identifiers

Verify Fix Applied:

Attempt the same directory traversal attacks after applying fixes and verify they are blocked or return error messages

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests to manage-teachers.php containing ../ sequences
  • Unusual file access patterns from web server logs
  • Error logs showing failed file access attempts

Network Indicators:

  • HTTP requests with directory traversal patterns in URL parameters
  • Unusual file downloads through web application

SIEM Query:

web.url: "*manage-teachers.php*" AND (web.uri: "*../*" OR web.param: "*../*")

🔗 References

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