CVE-2025-12292: Janobe Point Of Sales SQLi Vulnerability

CVE-2025-12292 Overview

A SQL injection vulnerability has been identified in SourceCodester Point of Sales version 1.0. This vulnerability exists in the /index.php file and can be exploited through manipulation of the Username argument. The flaw allows remote attackers to inject malicious SQL commands, potentially compromising the integrity, confidentiality, and availability of the underlying database. The exploit has been publicly disclosed and may be actively utilized by threat actors.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to bypass authentication, extract sensitive data, modify database contents, or potentially gain further access to the underlying system through database-level privileges.

Affected Products

• Janobe Point of Sales 1.0
• SourceCodester Point of Sales 1.0

Discovery Timeline

• 2025-10-27 - CVE-2025-12292 published to NVD
• 2025-11-03 - Last updated in NVD database

Technical Details for CVE-2025-12292

Vulnerability Analysis

This SQL injection vulnerability (CWE-89) stems from improper neutralization of special elements used in SQL commands within the authentication mechanism. The /index.php file fails to properly sanitize user-supplied input in the Username parameter before incorporating it into SQL queries. This injection flaw falls under the broader category of injection vulnerabilities (CWE-74), where untrusted data is sent to an interpreter as part of a command or query.

The vulnerability can be exploited remotely over the network without requiring authentication or user interaction. An attacker can craft malicious input containing SQL syntax that alters the intended query logic, potentially allowing unauthorized access to the application or direct manipulation of the database.

Root Cause

The root cause of this vulnerability is inadequate input validation and the absence of parameterized queries or prepared statements in the authentication handling code. The application directly concatenates user-supplied input from the Username field into SQL queries without proper sanitization or escaping. This classic SQL injection pattern allows attackers to break out of the expected query context and inject arbitrary SQL commands.

Attack Vector

The attack can be initiated remotely through the login page at /index.php. An attacker submits a crafted payload in the Username field containing SQL metacharacters and commands. The vulnerable code constructs a query using string concatenation, allowing the injected SQL to be executed against the database. Common exploitation techniques include authentication bypass using payloads like ' OR '1'='1, UNION-based data extraction, and blind SQL injection for database enumeration.

For technical details and proof-of-concept information, refer to the GitHub CVE Issue Discussion and the VulDB Entry #329960.

Detection Methods for CVE-2025-12292

Indicators of Compromise

• Unusual SQL error messages in application or web server logs indicating syntax errors or failed queries
• Login attempts with suspicious characters in username fields such as single quotes, double dashes, or SQL keywords like OR, UNION, SELECT
• Database query logs showing unexpected or malformed queries originating from the authentication endpoint
• Successful authentication events for users with invalid or nonexistent usernames

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns in HTTP POST parameters targeting /index.php
• Enable detailed logging on the database server to capture all queries and identify injection attempts
• Deploy intrusion detection systems (IDS) with signatures for common SQL injection payloads
• Monitor application logs for repeated failed login attempts followed by successful authentication

Monitoring Recommendations

• Configure real-time alerting for SQL error messages generated by the Point of Sales application
• Establish baseline behavior for authentication requests and alert on anomalies such as unusual parameter lengths or character patterns
• Regularly audit database access logs for unauthorized data access or privilege escalation attempts
• Implement application performance monitoring to detect query execution anomalies

How to Mitigate CVE-2025-12292

Immediate Actions Required

• Restrict network access to the Point of Sales application to trusted IP addresses only
• Place a Web Application Firewall (WAF) in front of the application with SQL injection protection enabled
• Disable or remove the vulnerable application from production environments until a patch is available
• Review database user privileges and ensure the application uses least-privilege database accounts

Patch Information

As of the last update on 2025-11-03, no official vendor patch has been released for this vulnerability. Organizations using SourceCodester Point of Sales 1.0 should monitor the SourceCodester website for security updates. Given that this is a publicly available source code application, organizations with development capabilities should implement their own code fixes using parameterized queries.

Workarounds

• Implement input validation on the Username parameter to allow only alphanumeric characters and reject SQL metacharacters
• Deploy a reverse proxy with ModSecurity or similar WAF module configured with OWASP Core Rule Set
• Modify the application source code to use prepared statements or parameterized queries for all database operations
• Isolate the database server on a separate network segment with strict firewall rules

# Example ModSecurity rule to block SQL injection in login parameters
SecRule ARGS:Username "@detectSQLi" \
    "id:100001,\
    phase:2,\
    deny,\
    status:403,\
    msg:'SQL Injection Attempt Detected in Username Parameter',\
    log,\
    auditlog"