CVE-2026-81202

Received Received - Intake

Authentication Bypass in Payroll System 1.0 via ajax.php

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: VulDB

Description

A flaw has been found in itsourcecode Payroll System 1.0. The impacted element is the function create/read/update/delete of the file ajax.php of the component CRUD Operation Handler. Executing a manipulation of the argument action can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-26

Last Modified

2026-08-26

Generated

2026-08-27

AI Q&A

2026-08-27

EPSS Evaluated

N/A

NVD

CVE-2026-81202

EUVD

EUVD-2026-66769

Affected Vendors & Products

Vendor	Product	Version / Range
itsourcecode	payroll_system	1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability is in itsourcecode Payroll System 1.0, specifically in the CRUD Operation Handler component of the ajax.php file. It allows attackers to bypass authentication by manipulating the 'action' argument, potentially gaining unauthorized access to sensitive payroll data. The flaw exists in the create/read/update/delete functions and can be exploited remotely.

Detection Guidance

To detect this vulnerability, monitor network traffic for unauthorized access attempts to the ajax.php file in the Payroll System. Check for HTTP requests with manipulated 'action' parameters targeting CRUD operations without authentication. Inspect server logs for suspicious POST requests to /create/read/update/delete endpoints.

Impact Analysis

If exploited, this vulnerability could allow attackers to access, modify, or delete payroll records without authentication. This may lead to unauthorized changes in employee salaries, personal data exposure, or financial fraud. The remote attack vector increases the risk as it can be initiated from anywhere.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA due to unauthorized access to sensitive personal and financial data. GDPR requires protection of personal data, while HIPAA mandates safeguards for health-related information. A breach could result in legal penalties and reputational damage.

Mitigation Strategies

Immediately restrict access to the ajax.php file in the Payroll System 1.0 CRUD Operation Handler. Review and update authentication mechanisms to ensure proper validation for the action parameter. Monitor network traffic for unusual requests targeting this file.

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