CVE-2025-11101: Open Source Job Portal SQL Injection Flaw

CVE-2025-11101 Overview

A SQL injection vulnerability has been discovered in itsourcecode Open Source Job Portal version 1.0. This security flaw impacts an unknown function of the file /jobportal/admin/company/index.php?view=edit. By manipulating the ID argument, attackers can perform SQL injection attacks. The vulnerability can be exploited remotely over the network, and exploit details have been publicly disclosed, increasing the risk of active exploitation.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to manipulate database queries, potentially leading to unauthorized data access, data modification, or complete database compromise.

Affected Products

• Angeljudesuarez Open Source Job Portal 1.0
• itsourcecode Open Source Job Portal 1.0

Discovery Timeline

• 2025-09-28 - CVE-2025-11101 published to NVD
• 2025-10-03 - Last updated in NVD database

Technical Details for CVE-2025-11101

Vulnerability Analysis

This SQL injection vulnerability (CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component) exists in the company management functionality of the Open Source Job Portal. The vulnerable endpoint /jobportal/admin/company/index.php?view=edit fails to properly sanitize the ID parameter before incorporating it into SQL queries.

When an attacker supplies malicious input through the ID parameter, the application directly concatenates this user-controlled data into database queries without proper validation or parameterization. This allows an attacker to inject arbitrary SQL commands that will be executed by the database server with the privileges of the application's database user.

The network-accessible nature of this vulnerability means that any remote attacker who can reach the application can attempt exploitation without authentication. The public disclosure of exploitation techniques further elevates the risk profile, as adversaries have ready access to working attack methodologies.

Root Cause

The root cause of this vulnerability is improper input validation and the absence of parameterized queries (prepared statements) in the application code. The ID parameter is directly incorporated into SQL statements without sanitization, escaping, or the use of safe query construction methods. This represents a fundamental secure coding failure where user-supplied data is trusted and used in security-sensitive operations.

Attack Vector

The attack vector is network-based, requiring no authentication or user interaction. An attacker can craft malicious HTTP requests to the vulnerable endpoint, embedding SQL injection payloads in the ID parameter. The attack flow typically involves:

1. Identifying the vulnerable parameter through reconnaissance
2. Crafting SQL injection payloads to probe database structure
3. Extracting sensitive data such as user credentials, personal information, or business data
4. Potentially escalating to data modification or administrative access

The vulnerability can be exploited by manipulating the ID parameter in requests to /jobportal/admin/company/index.php?view=edit. Attackers can inject SQL syntax to alter query logic, extract data via UNION-based attacks, or perform blind SQL injection techniques to enumerate database contents. Technical details and proof-of-concept information can be found in the GitHub Issue #37 and VulDB #326182 references.

Detection Methods for CVE-2025-11101

Indicators of Compromise

• HTTP requests to /jobportal/admin/company/index.php containing SQL syntax characters in the ID parameter such as single quotes, UNION, SELECT, or comment sequences
• Database error messages in application logs indicating malformed SQL queries
• Unusual database query patterns or excessive data extraction from company-related tables
• Web server logs showing repeated requests to the vulnerable endpoint with varying payloads

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common SQL injection patterns in request parameters
• Configure database activity monitoring to alert on anomalous query patterns or unauthorized data access
• Deploy intrusion detection signatures targeting SQL injection attempts against the identified endpoint
• Enable verbose logging on the web application and database to capture potential exploitation attempts

Monitoring Recommendations

• Monitor web server access logs for suspicious requests targeting /jobportal/admin/company/index.php?view=edit
• Configure alerting for database errors that may indicate injection attempts
• Track outbound data transfers from the database server for potential data exfiltration
• Review authentication logs for unusual administrative access patterns following potential compromise

How to Mitigate CVE-2025-11101

Immediate Actions Required

• Restrict network access to the vulnerable endpoint /jobportal/admin/company/index.php using firewall rules or web server configuration
• Implement input validation to reject requests with suspicious characters in the ID parameter
• Deploy a Web Application Firewall with SQL injection detection rules
• Consider taking the application offline if it contains sensitive data until a patch is available

Patch Information

At the time of publication, no official vendor patch has been released for this vulnerability. Organizations should monitor the IT Source Code website for security updates. In the absence of an official fix, implementing the workarounds and compensating controls described below is strongly recommended.

For tracking and additional technical details, refer to VulDB CTI ID #326182.

Workarounds

• Implement parameterized queries or prepared statements in the application code if source code modification is possible
• Deploy a reverse proxy with SQL injection filtering capabilities in front of the application
• Restrict database user privileges to minimum required operations, limiting potential damage from successful exploitation
• Segment the database server from other critical network resources to contain potential breaches

# Example: Apache .htaccess to restrict access to vulnerable endpoint
<Location "/jobportal/admin/company/index.php">
    # Restrict to internal network only
    Require ip 10.0.0.0/8
    Require ip 192.168.0.0/16
    Require ip 172.16.0.0/12
    # Deny all others
    Require all denied
</Location>