CVE-2025-40687: PHPGurukul Fire Reporting SQLi Flaw

CVE-2025-40687 Overview

A critical SQL Injection vulnerability has been identified in PHPGurukul's Online Fire Reporting System version 1.2. This vulnerability allows unauthenticated remote attackers to manipulate the underlying database by injecting malicious SQL statements through the mobilenumber, teamleadname, and teammember parameters in the /ofrs/admin/add-team.php endpoint. Successful exploitation enables attackers to retrieve, create, update, and delete database records, potentially leading to complete data compromise.

Critical Impact

Unauthenticated attackers can fully compromise the database through SQL injection, enabling data theft, modification, or deletion of sensitive fire reporting records.

Affected Products

• PHPGurukul Online Fire Reporting System version 1.2

Discovery Timeline

• September 11, 2025 - CVE-2025-40687 published to NVD
• September 12, 2025 - Last updated in NVD database

Technical Details for CVE-2025-40687

Vulnerability Analysis

This SQL Injection vulnerability exists due to insufficient input validation and improper parameterization of user-supplied data in the team management functionality. The application fails to properly sanitize or parameterize input received through three distinct parameters: mobilenumber, teamleadname, and teammember. These parameters are directly incorporated into SQL queries without proper escaping or the use of prepared statements, creating an injection point that attackers can exploit.

The vulnerability is particularly dangerous because it affects an administrative endpoint (/ofrs/admin/add-team.php) that handles team management operations. An attacker who successfully exploits this flaw gains the ability to execute arbitrary SQL commands against the backend database, including SELECT, INSERT, UPDATE, and DELETE operations.

Root Cause

The root cause of this vulnerability is improper input validation and the failure to implement parameterized queries (prepared statements) when processing user input. The application directly concatenates user-supplied values from the mobilenumber, teamleadname, and teammember parameters into SQL query strings, violating secure coding practices outlined in CWE-89 (Improper Neutralization of Special Elements used in an SQL Command).

Attack Vector

The attack can be executed remotely over the network without requiring authentication. An attacker can craft malicious HTTP requests to the /ofrs/admin/add-team.php endpoint, injecting SQL syntax through any of the three vulnerable parameters. The injection payloads can leverage techniques such as UNION-based injection to extract data, time-based blind injection for data exfiltration when direct output is not available, or stacked queries to perform data manipulation operations.

For example, an attacker could inject SQL metacharacters and statements through the mobilenumber parameter to bypass application logic and directly interact with the database. The network-accessible nature of this vulnerability combined with no authentication requirements makes it trivially exploitable.

Detection Methods for CVE-2025-40687

Indicators of Compromise

• Unusual or malformed requests to /ofrs/admin/add-team.php containing SQL syntax such as single quotes, UNION statements, or comment sequences (--, /**/)
• Database query logs showing unexpected SELECT, INSERT, UPDATE, or DELETE operations on team-related tables
• Web server access logs with suspicious parameter values containing encoded SQL keywords (%27, %3B, UNION, SELECT)
• Unexpected database modifications or deletions in fire reporting team records

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns targeting the mobilenumber, teamleadname, and teammember parameters
• Configure intrusion detection systems (IDS) to alert on SQL injection attack signatures in HTTP traffic directed at the application
• Enable detailed database query logging and monitor for anomalous query patterns or unauthorized data access attempts
• Deploy application-level monitoring to detect parameter tampering and injection attempts

Monitoring Recommendations

• Continuously monitor web server logs for requests to /ofrs/admin/add-team.php with suspicious parameter content
• Establish baseline database activity patterns and alert on deviations indicating potential SQL injection exploitation
• Implement real-time alerting for failed authentication attempts followed by successful database queries
• Review database audit logs regularly for evidence of data exfiltration or unauthorized modifications

How to Mitigate CVE-2025-40687

Immediate Actions Required

• Restrict network access to the Online Fire Reporting System administration interface (/ofrs/admin/) to trusted IP addresses only
• Deploy a Web Application Firewall (WAF) with SQL injection detection rules to filter malicious requests
• Consider taking the vulnerable application offline until a patch is available or mitigations are in place
• Back up all database content immediately to preserve data integrity

Patch Information

As of the last update on September 12, 2025, no official patch has been released by PHPGurukul for this vulnerability. Administrators should monitor the INCIBE CERT Security Notice for updates and patch availability. In the absence of an official fix, implementing the workarounds below is critical.

Workarounds

• Implement input validation on the server side to reject requests containing SQL metacharacters in the mobilenumber, teamleadname, and teammember parameters
• If possible, modify the application source code to use prepared statements with parameterized queries for all database operations
• Add network-level access controls to limit access to the administrative endpoint
• Consider using a reverse proxy with SQL injection filtering capabilities

# Example: Apache mod_security rule to block SQL injection attempts
# Add to your Apache configuration or .htaccess file
SecRule ARGS "@detectSQLi" "id:1001,phase:2,deny,status:403,log,msg:'SQL Injection Attempt Detected'"