Cross-Site Scripting Vulnerability in itsourcecode Payroll Management System
CVE-2026-4877

5.3MEDIUM

Key Information:

Vendor

Itsourcecode

Status
Payroll Management System
Vendor
CVE Published:
26 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4877?

A cross-site scripting (XSS) vulnerability has been identified in the itsourcecode Payroll Management System versions up to 1.0. This security flaw resides in the /index.php file, where improper handling of the 'page' argument allows malicious actors to execute arbitrary scripts in the context of a user's browser. This exploitation can be initiated remotely, making it crucial for users and administrators to address this vulnerability promptly. Publicly available exploit code could potentially facilitate attacks, emphasizing the importance of immediate security measures and updates.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

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-2026-4877 - Proof of Concept

References

https://vuldb.com/?id.353560
vdb-entrytechnical-description
https://vuldb.com/?ctiid.353560
signaturepermissions-required
https://vuldb.com/?submit.776249
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

zhangbaichuan.01 (VulDB User)
JSON
.