CVE-2025-9829: Beauty Parlour Management System SQLI Flaw

CVE-2025-9829 Overview

A SQL injection vulnerability has been identified in PHPGurukul Beauty Parlour Management System version 1.1. The vulnerability exists in the /signup.php file where the mobilenumber parameter is not properly sanitized before being used in SQL queries. This allows remote attackers to inject malicious SQL statements, potentially leading to unauthorized data access, data manipulation, or complete database compromise. The exploit has been publicly disclosed, and other parameters within the application may also be affected by similar injection flaws.

Critical Impact
Remote attackers can exploit this SQL injection vulnerability to bypass authentication, extract sensitive customer and business data, modify database records, or potentially gain further access to the underlying server through SQL injection techniques.

Affected Products

PHPGurukul Beauty Parlour Management System 1.1

Discovery Timeline

2025-09-02 - CVE-2025-9829 published to NVD
2025-09-05 - Last updated in NVD database

Technical Details for CVE-2025-9829

Vulnerability Analysis

This SQL injection vulnerability (CWE-89) occurs in the user registration functionality of PHPGurukul Beauty Parlour Management System. The /signup.php file fails to properly sanitize user-supplied input in the mobilenumber parameter before incorporating it into SQL queries. This classic injection flaw (CWE-74) allows attackers to manipulate the intended SQL query structure by injecting malicious SQL syntax through the registration form.

The vulnerability is remotely exploitable without authentication, as the signup page is typically accessible to unauthenticated users. The network-accessible attack vector with low complexity makes this vulnerability particularly dangerous for public-facing deployments of this management system. Additionally, the CVE description notes that other parameters in the application may be affected by similar injection issues, suggesting a systemic lack of input validation throughout the codebase.

Root Cause

The root cause of this vulnerability is improper input validation and the lack of parameterized queries or prepared statements in the PHP code handling user registration. The mobilenumber parameter from the signup form is directly concatenated into SQL queries without sanitization, escaping, or the use of parameterized statements. This is a common vulnerability pattern in legacy PHP applications that do not follow secure coding practices for database interactions.

Attack Vector

The attack can be executed remotely over the network by any unauthenticated user who can access the application's signup page. An attacker would craft a malicious HTTP POST request to /signup.php with specially crafted SQL injection payloads in the mobilenumber parameter. The injected SQL code is then executed in the context of the application's database connection, allowing the attacker to:

Extract sensitive data from the database using UNION-based or blind SQL injection techniques
Bypass authentication mechanisms
Modify or delete database records
Potentially execute operating system commands if the database is configured with elevated privileges

The vulnerability mechanism involves manipulating the mobilenumber field during user registration. When an attacker submits a crafted payload containing SQL syntax characters (such as single quotes, UNION statements, or comment sequences), the application fails to properly escape or parameterize this input before including it in database queries. This allows the injected SQL to be interpreted and executed by the database server. For technical details, see the GitHub Issue Tracker and VulDB #322176.

Detection Methods for CVE-2025-9829

Indicators of Compromise

Unusual database query errors or SQL syntax errors in application logs associated with /signup.php
Abnormal patterns in the mobilenumber field containing SQL keywords such as UNION, SELECT, OR, AND, --, or single quotes
Unexpected database access patterns or data exfiltration attempts from the backend database
Multiple failed or suspicious registration attempts from the same IP address

Detection Strategies

Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns in HTTP POST requests to /signup.php
Configure database query logging and alert on anomalous queries containing injection signatures
Deploy intrusion detection systems (IDS) with signatures for common SQL injection attack patterns
Monitor application error logs for SQL syntax errors that may indicate exploitation attempts

Monitoring Recommendations

Enable detailed logging for all database queries executed by the Beauty Parlour Management System
Set up real-time alerts for any SQL errors or exceptions occurring in the /signup.php endpoint
Monitor network traffic for suspicious POST requests containing SQL injection payloads targeting the registration functionality
Review database audit logs for unauthorized data access or privilege escalation attempts

How to Mitigate CVE-2025-9829

Immediate Actions Required

Remove public access to the affected Beauty Parlour Management System or restrict access to trusted networks only
Implement input validation on the mobilenumber parameter to accept only numeric characters
Deploy a Web Application Firewall (WAF) with SQL injection protection rules as an interim measure
Review database permissions and ensure the application uses a least-privilege database account

Patch Information

At the time of this publication, no official patch from PHPGurukul has been identified for this vulnerability. Organizations using this software should monitor the PHP Gurukul Homepage for security updates. In the absence of an official patch, implementing the workarounds below is strongly recommended. Additional details can be found at VulDB #322176.

Workarounds

Modify the /signup.php file to use parameterized queries (prepared statements) with PDO or MySQLi instead of direct string concatenation
Implement server-side input validation to ensure the mobilenumber parameter contains only numeric digits and has a reasonable length limit
Deploy a reverse proxy or WAF with ModSecurity and OWASP Core Rule Set to filter malicious SQL injection attempts
Consider replacing the vulnerable application with a more secure alternative if the vendor does not provide timely security updates

bash

# Example WAF rule for ModSecurity to help mitigate SQL injection
# Add to your ModSecurity configuration
SecRule ARGS:mobilenumber "@rx (?i)(union|select|insert|update|delete|drop|--|;)" \
    "id:1001,phase:2,deny,status:403,msg:'SQL Injection attempt blocked in mobilenumber parameter'"