CVE-2026-90789
Deferred Deferred - Pending Action

SQL Injection in Leave Management System 1.0

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: VulDB

Description
A weakness has been identified in itsourcecode Leave Management System 1.0. Affected by this issue is some unknown functionality of the file /login.php. Executing a manipulation of the argument user_email can lead to sql injection. The attack may 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
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-15
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2026-90789
EUVD
EUVD-2026-77526

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 vulnerability is a SQL injection flaw in the Leave Management System 1.0. It exists in the /login.php file where the user_email parameter is not properly sanitized. Attackers can manipulate this input to inject malicious SQL code, potentially accessing or altering database contents.

Detection Guidance

To detect SQL injection vulnerabilities like this one, you can use tools such as SQLmap to test the 'user_email' parameter in /login.php. Example command: sqlmap -u 'http://target-site.com/login.php?user_email=test@example.com' --batch. Additionally, inspect web server logs for unusual queries or errors related to SQL operations.

Impact Analysis

This vulnerability could allow attackers to gain unauthorized access to sensitive data, modify or delete database records, take control of the system, or disrupt services. If you use this system, attackers might steal employee data, manipulate leave records, or cause operational disruptions.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA by exposing personal data. GDPR requires protecting personal data, and HIPAA mandates safeguarding health information. A breach could result in legal penalties, fines, and reputational damage.

Mitigation Strategies

Immediately update the Leave Management System to a patched version if available. If not, implement prepared statements with parameter binding for all database queries. Enforce strict input validation on the 'user_email' parameter to reject malicious inputs. Reduce database user permissions to the minimum required and conduct a security audit to identify other potential vulnerabilities.

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