CVE-2025-6909: Old Age Home Management System SQLi Flaw

CVE-2025-6909 Overview

CVE-2025-6909 is a SQL injection vulnerability in PHPGurukul Old Age Home Management System version 1.0. The flaw exists in the /admin/add-scdetails.php file, where the emeradd parameter is not properly sanitized before being used in a database query. An authenticated attacker can manipulate this parameter to inject arbitrary SQL statements. The vulnerability is exploitable remotely over the network and requires low privileges. Public exploit details have been disclosed through VulDB and a GitHub issue tracker, increasing the likelihood of opportunistic exploitation against exposed instances. The weakness is categorized under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component).

Critical Impact
Authenticated attackers can extract, modify, or delete database contents in the Old Age Home Management System through SQL injection in the emeradd parameter.

Affected Products

PHPGurukul Old Age Home Management System 1.0
CPE: cpe:2.3:a:phpgurukul:old_age_home_management_system:1.0
Vulnerable component: /admin/add-scdetails.php

Discovery Timeline

2025-06-30 - CVE-2025-6909 published to NVD
2026-04-29 - Last updated in NVD database

Technical Details for CVE-2025-6909

Vulnerability Analysis

The vulnerability resides in the administrative endpoint /admin/add-scdetails.php, which handles the creation of senior citizen detail records. The emeradd (emergency address) parameter is concatenated directly into a backend SQL query without parameterized statements or input sanitization. An attacker authenticated to the admin panel can supply crafted SQL syntax through this argument to alter the intended query logic.

Successful exploitation enables reading sensitive resident records, modifying stored data, or extracting administrator credentials from the underlying MySQL database. The attack is performed remotely over HTTP and does not require user interaction. According to EPSS data dated 2026-06-09, the probability of exploitation in the next 30 days sits in the lower range, reflecting the limited deployment footprint of the application rather than the difficulty of the attack.

Root Cause

The root cause is improper neutralization of user-supplied input before its inclusion in a SQL statement. The PHP code accepts the emeradd POST parameter and inserts it into a query string without using prepared statements, parameterized queries, or escaping routines such as mysqli_real_escape_string. This pattern is consistent with [CWE-74] injection-class weaknesses.

Attack Vector

The attacker authenticates to the admin interface, then submits a POST request to /admin/add-scdetails.php containing a malicious payload in the emeradd field. Common payloads include boolean-based, union-based, or time-based blind injection techniques to enumerate the schema and exfiltrate data. Because the endpoint is administrative, attackers often combine this flaw with credential stuffing or weak default credentials.

The vulnerability mechanism is documented in the GitHub Issue Discussion and the VulDB CTI #314401 advisory. No verified proof-of-concept code is reproduced here.

Detection Methods for CVE-2025-6909

Indicators of Compromise

HTTP POST requests to /admin/add-scdetails.php containing SQL metacharacters such as single quotes, UNION SELECT, SLEEP(, or -- within the emeradd parameter.
Unexpected database error messages in web server logs originating from the add-scdetails.php endpoint.
Anomalous query execution times against the Old Age Home Management System database indicating time-based blind injection.

Detection Strategies

Deploy web application firewall (WAF) signatures that inspect POST bodies submitted to /admin/add-scdetails.php for SQL injection patterns.
Enable verbose query logging on the backing MySQL instance and alert on queries containing concatenated emeradd values with control characters.
Correlate failed admin login attempts with subsequent successful logins followed by requests to add-scdetails.php.

Monitoring Recommendations

Forward Apache or Nginx access logs to a centralized analytics platform and build dashboards for high-volume POSTs to admin endpoints.
Monitor database user activity for unexpected INFORMATION_SCHEMA queries or large result sets returned to the web application user.
Track outbound data transfer volumes from the application server to identify potential exfiltration following injection.

How to Mitigate CVE-2025-6909

Immediate Actions Required

Restrict network access to the /admin/ directory using IP allowlists or VPN-only access until a fix is applied.
Rotate all administrative credentials for the Old Age Home Management System and the underlying database account.
Audit existing records in the application for unauthorized modifications or injected content.

Patch Information

No official vendor patch has been published at the time of this writing. Users should monitor the PHP Gurukul Resource page for security updates. Organizations running this software in production should consider migrating to an actively maintained alternative, as the project does not appear to follow a formal security advisory process.

Workarounds

Modify /admin/add-scdetails.php to use parameterized queries via mysqli prepared statements or PDO with bound parameters for the emeradd field and all other user-supplied inputs.
Apply server-side input validation to reject SQL metacharacters in form fields that are not expected to contain them.
Deploy a WAF rule set such as OWASP Core Rule Set in front of the application to block common SQL injection signatures targeting the affected parameter.
Run the application database user with least-privilege permissions, removing DROP, ALTER, and FILE privileges where not required.

bash

# Example WAF rule (ModSecurity) to block SQLi in emeradd parameter
SecRule ARGS:emeradd "@detectSQLi" \
    "id:1009001,phase:2,deny,status:403,\
    msg:'CVE-2025-6909 SQLi attempt in emeradd parameter',\
    tag:'attack-sqli'"