CVE-2026-103543
Received Received - Intake

SQL Injection in Leave Management System 1.0

Publication date: 2026-10-01

Last updated on: 2026-10-01

Assigner: VulDB

Description
A vulnerability has been found in itsourcecode Leave Management System 1.0. The affected element is an unknown function of the file /module/leavetype/controller.php. Such manipulation of the argument LEAVTID leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

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Meta Information

Published
2026-10-01
Last Modified
2026-10-01
Generated
2026-10-01
AI Q&A
2026-10-01
EPSS Evaluated
N/A
NVD
CVE-2026-103543
EUVD
EUVD-2026-90505

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
itsourcecode leave_management_system 1.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

This is a SQL injection vulnerability in the Leave Management System 1.0. The flaw exists in the LEAVTID parameter of the /module/leavetype/controller.php file. Due to improper input sanitization, attackers can inject malicious SQL code through this parameter. This allows unauthorized database access, data manipulation, and potential full system control. The vulnerability can be exploited remotely without authentication.

Detection Guidance

To detect this SQL injection vulnerability, monitor network traffic for suspicious requests targeting /module/leavetype/controller.php with the LEAVTID parameter. Use tools like SQLmap to test for injection by sending payloads such as LEAVTID=1' AND SLEEP(5)--. Check application logs for unusual database queries or errors indicating SQL injection attempts.

Impact Analysis

An attacker could exploit this to steal, modify, or delete sensitive data in the database. They might gain full control over the system, disrupt services, or use the compromised system to launch further attacks. Even without authentication, remote attackers can execute arbitrary SQL commands through the LEAVTID parameter.

Compliance Impact

This vulnerability likely violates GDPR and HIPAA requirements for data protection and access controls. It enables unauthorized data access and modification, which could lead to data breaches. Organizations using this system may face compliance violations, legal penalties, and reputational damage due to insufficient security measures.

Mitigation Strategies

Immediately update the Leave Management System to a patched version if available. Implement prepared statements with parameter binding for all database queries. Apply strict input validation to sanitize the LEAVTID parameter. Restrict database user permissions to the minimum required. Conduct a security audit to identify and fix similar vulnerabilities.

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