CVE-2026-3135: News Portal Project SQL Injection Flaw

CVE-2026-3135 Overview

A SQL injection vulnerability has been identified in itsourcecode News Portal Project version 1.0. The vulnerability exists within the /admin/add-category.php file, where improper handling of the Category argument allows attackers to inject malicious SQL queries. This flaw enables remote attackers to manipulate database queries, potentially leading to unauthorized data access, modification, or deletion.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to bypass authentication, extract sensitive database contents, modify or delete data, and potentially compromise the underlying server through database-level attacks.

Affected Products

• itsourcecode News Portal Project 1.0
• Clive_21 News Portal Project

Discovery Timeline

• 2026-02-25 - CVE-2026-3135 published to NVD
• 2026-02-25 - Last updated in NVD database

Technical Details for CVE-2026-3135

Vulnerability Analysis

This vulnerability is a classic SQL injection (CWE-89) flaw stemming from improper neutralization of special elements used in SQL commands. The affected component, /admin/add-category.php, fails to properly sanitize user-supplied input in the Category parameter before incorporating it into database queries.

When a user submits data through the category management interface, the application directly concatenates the input into SQL statements without proper parameterization or escaping. This allows an attacker to break out of the intended query structure and inject arbitrary SQL commands that will be executed by the database engine with the same privileges as the web application.

The vulnerability is classified under both CWE-89 (SQL Injection) and CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component), indicating that the root issue is a failure to properly validate and sanitize input before using it in a sensitive context.

Root Cause

The root cause of this vulnerability is the lack of input validation and parameterized queries in the /admin/add-category.php file. The application directly uses user-controlled input from the Category parameter in SQL query construction without sanitization, prepared statements, or input validation. This architectural flaw allows attackers to inject SQL syntax that alters the intended query logic.

Attack Vector

The attack can be initiated remotely over the network without requiring authentication. An attacker can craft malicious HTTP requests to the /admin/add-category.php endpoint, embedding SQL injection payloads within the Category parameter. The vulnerability has been publicly disclosed with exploit information available, increasing the risk of exploitation in the wild.

Typical attack payloads might include UNION-based injection to extract data from other tables, boolean-based blind injection to infer database contents, time-based blind injection for data exfiltration, or stacked queries to execute additional SQL commands depending on the database configuration.

Detection Methods for CVE-2026-3135

Indicators of Compromise

• Unusual or malformed requests to /admin/add-category.php containing SQL syntax characters such as single quotes, semicolons, or SQL keywords like UNION, SELECT, or OR
• Database error messages in application logs indicating syntax errors or unexpected query behavior
• Unexpected database queries or data modifications in database audit logs
• Increased traffic volume to administrative endpoints from unknown or suspicious IP addresses

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common SQL injection patterns in HTTP parameters
• Monitor application and database logs for SQL syntax errors, failed query attempts, or unusual query patterns
• Deploy intrusion detection signatures that identify SQL injection attack patterns targeting the Category parameter
• Conduct regular security scans using automated tools to identify SQL injection vulnerabilities in web applications

Monitoring Recommendations

• Enable detailed logging on the web server for all requests to /admin/add-category.php and other administrative endpoints
• Configure database audit logging to track all queries executed against sensitive tables
• Set up alerts for multiple failed database queries or authentication attempts from the same source
• Monitor for data exfiltration indicators such as unusually large query result sets or database dumps

How to Mitigate CVE-2026-3135

Immediate Actions Required

• Restrict access to the /admin/add-category.php endpoint using IP allowlisting or additional authentication mechanisms
• Implement Web Application Firewall rules to filter SQL injection attempts targeting the Category parameter
• Review and audit all administrative endpoints for similar input validation issues
• Consider taking the News Portal application offline until a permanent fix can be applied if it handles sensitive data

Patch Information

No official patch has been released by the vendor at this time. Users should monitor the GitHub CVE Issue Discussion and IT Source Code for updates. Additional technical details are available at VulDB #347630.

Workarounds

• Implement input validation to reject any Category values containing SQL metacharacters or keywords
• Apply parameterized queries or prepared statements to all database interactions in the affected file
• Deploy a Web Application Firewall configured with SQL injection protection rules
• Restrict administrative panel access to trusted IP addresses only using server-level access controls

# Example Apache .htaccess restriction for admin directory
<Directory "/var/www/html/admin">
    # Restrict access to specific IP addresses
    Require ip 192.168.1.0/24
    Require ip 10.0.0.0/8
    
    # Block common SQL injection patterns (basic protection)
    RewriteEngine On
    RewriteCond %{QUERY_STRING} (\%27)|(\')|(\-\-)|(\%23)|(#) [NC,OR]
    RewriteCond %{QUERY_STRING} (union|select|insert|delete|drop|update) [NC]
    RewriteRule .* - [F]
</Directory>