CVE-2026-2116: Society Management System SQLi Vulnerability

CVE-2026-2116 Overview

A SQL injection vulnerability has been discovered in itsourcecode Society Management System version 1.0. The vulnerability exists in the /admin/edit_expenses.php file, where improper handling of the expenses_id parameter allows attackers to inject malicious SQL commands. This flaw enables remote attackers to manipulate database queries without authentication, potentially leading to unauthorized data access, modification, or deletion.

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 operations.

Affected Products

• angeljudesuarez society_management_system version 1.0
• itsourcecode Society Management System 1.0

Discovery Timeline

• 2026-02-08 - CVE CVE-2026-2116 published to NVD
• 2026-02-10 - Last updated in NVD database

Technical Details for CVE-2026-2116

Vulnerability Analysis

This vulnerability represents a classic SQL injection flaw in the administrative interface of the Society Management System. The edit_expenses.php file fails to properly sanitize or validate the expenses_id parameter before incorporating it into SQL queries. This allows attackers to craft malicious input that escapes the intended query context and executes arbitrary SQL commands against the backend database.

The vulnerability is classified under CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component), which encompasses injection flaws where special characters or sequences are not properly handled before being processed by interpreters.

Root Cause

The root cause of this vulnerability is the lack of input validation and parameterized query usage in the /admin/edit_expenses.php file. The expenses_id parameter is directly concatenated into SQL statements without proper sanitization, allowing attackers to break out of the intended query structure. This represents a fundamental secure coding failure where user-supplied input is trusted and processed without validation.

Attack Vector

The attack can be executed remotely over the network without requiring authentication. An attacker can craft a malicious HTTP request to the /admin/edit_expenses.php endpoint with a specially crafted expenses_id parameter containing SQL injection payloads.

The exploitation typically involves manipulating the expenses_id parameter to inject SQL commands. For example, an attacker might append SQL syntax such as single quotes, UNION statements, or conditional expressions to extract data from the database, bypass authentication checks, or modify existing records.

Attackers can leverage techniques such as boolean-based blind injection, time-based blind injection, or UNION-based injection depending on how the application responds to malformed queries. The exploit has been publicly disclosed, increasing the risk of widespread exploitation. For technical details, see the GitHub Issue Report.

Detection Methods for CVE-2026-2116

Indicators of Compromise

• Unusual or malformed requests to /admin/edit_expenses.php containing SQL syntax in the expenses_id parameter
• Database error messages appearing in web server logs or responses indicating SQL syntax errors
• Unexpected database queries or query patterns in database audit logs
• Signs of data exfiltration or unauthorized modifications to expense-related database tables

Detection Strategies

• Implement web application firewall (WAF) rules to detect SQL injection patterns in the expenses_id parameter
• Monitor HTTP access logs for requests containing SQL keywords (UNION, SELECT, INSERT, DROP, etc.) in query parameters
• Enable database query logging and alert on anomalous query patterns or syntax errors
• Deploy intrusion detection signatures targeting known SQL injection payloads

Monitoring Recommendations

• Configure real-time alerting for any access attempts to /admin/edit_expenses.php with suspicious parameter values
• Implement database activity monitoring to track queries executed against expense-related tables
• Set up log aggregation and correlation to identify patterns of SQL injection attempts across multiple requests
• Monitor for unusual database connection patterns or query execution times that may indicate blind SQL injection attempts

How to Mitigate CVE-2026-2116

Immediate Actions Required

• Restrict access to the /admin/edit_expenses.php endpoint through IP whitelisting or additional authentication layers
• Deploy a web application firewall (WAF) with SQL injection protection rules
• Consider taking the vulnerable application offline until a patch is available or mitigations are in place
• Review database permissions and ensure the application uses a least-privilege database account

Patch Information

No official vendor patch has been identified at this time. Organizations should monitor the IT Source Code Resource for potential updates. In the absence of an official patch, organizations should implement the workarounds listed below and consider migrating to a more actively maintained solution.

Additional vulnerability information is available at VulDB #344691.

Workarounds

• Implement prepared statements and parameterized queries in the /admin/edit_expenses.php file to prevent SQL injection
• Add input validation to ensure expenses_id only accepts numeric values
• Deploy a reverse proxy or WAF configured to filter SQL injection attempts
• Restrict network access to administrative endpoints to trusted IP ranges only
• Consider implementing additional authentication mechanisms for administrative functions

# Example WAF rule configuration for ModSecurity
# Block SQL injection attempts on expenses_id parameter
SecRule ARGS:expenses_id "@detectSQLi" \
    "id:1001,\
    phase:2,\
    deny,\
    status:403,\
    log,\
    msg:'SQL Injection attempt detected in expenses_id parameter',\
    tag:'CVE-2026-2116'"