CVE-2026-9542
Deferred Deferred - Pending Action
SQL Injection in CodeAstro Leave Management System

Publication date: 2026-05-26

Last updated on: 2026-05-26

Assigner: VulDB

Description
A weakness has been identified in CodeAstro Leave Management System 1.0. The affected element is an unknown function of the file /admin/add_staff.php. Executing a manipulation of the argument email_id can lead to sql injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
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Meta Information
Published
2026-05-26
Last Modified
2026-05-26
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-9542
EUVD
EUVD-2026-31815
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
codeastro 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.
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Executive Summary

CVE-2026-9542 is a SQL injection vulnerability found in the CodeAstro Leave Management System version 1.0, specifically in the file /admin/add_staff.php. The vulnerability occurs because the 'email_id' parameter is not properly validated, allowing attackers to inject malicious SQL code into the database queries.

This flaw enables an attacker to manipulate the database by sending crafted inputs remotely, potentially gaining unauthorized access or control over the system.

Impact Analysis

This vulnerability can have several serious impacts including unauthorized access to sensitive data, data leakage, data tampering, and potentially full system control by an attacker.

It can also lead to service disruption, affecting the availability and reliability of the Leave Management System.

Detection Guidance

This vulnerability can be detected by testing the 'email_id' parameter in the /admin/add_staff.php file for SQL injection weaknesses.

One common approach is to use automated tools like sqlmap to test for SQL injection by sending crafted HTTP requests targeting the vulnerable parameter.

  • Use sqlmap with a command similar to: sqlmap -u "http://target/LeaveManagement-PHP/admin/add_staff.php?email_id=test" --batch --dbs
  • Manually test by injecting SQL syntax into the email_id parameter in HTTP requests and observe if errors or unexpected behavior occur.
Mitigation Strategies

Immediate mitigation steps include implementing prepared statements with parameter binding to prevent SQL injection.

Strict input validation should be enforced on the 'email_id' parameter to ensure only valid input is accepted.

Minimize database user permissions to limit the impact of a potential exploit.

Conduct regular security audits to identify and fix similar vulnerabilities.

Compliance Impact

The SQL injection vulnerability in CodeAstro Leave Management System 1.0 can lead to unauthorized database access, data leakage, and data tampering. Such security weaknesses can compromise the confidentiality and integrity of personal and sensitive data stored within the system.

This exposure may result in non-compliance with common standards and regulations such as GDPR and HIPAA, which require organizations to protect personal data against unauthorized access and ensure data integrity.

Failure to address this vulnerability could lead to regulatory penalties, legal consequences, and loss of trust due to potential breaches of protected information.

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