Cross Site Scripting Vulnerability in itsourcecode Payroll Management System
CVE-2026-3993

5.3MEDIUM

Key Information:

Vendor

Itsourcecode

Status
Payroll Management System
Vendor
CVE Published:
12 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3993?

A cross site scripting (XSS) vulnerability has been identified in the itsourcecode Payroll Management System 1.0. This vulnerability stems from improper handling of user input in the /manage_employee_deductions.php file, specifically through manipulation of the argument ID. Attackers can exploit this weakness remotely, potentially leading to unauthorized actions within the system. The issue has been made public, amplifying the need for immediate remediation to protect against potential exploitation.

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Affected Version(s)

Payroll Management System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3993 - Proof of Concept

References

https://vuldb.com/?id.350475
vdb-entrytechnical-description
https://vuldb.com/?ctiid.350475
signaturepermissions-required
https://vuldb.com/?submit.769749
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jiaxin Lin (VulDB User)
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