What is CVE-2026-4877?

CVE-2026-4877 is a medium-severity vulnerability in Itsourcecode Payroll Management System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-26.

How severe is CVE-2026-4877?

Medium severity. CVSS v3 base score is 4.3 out of 10.

RCE in Itsourcecode Payroll Management System

CVE-2026-4877

A security flaw has been discovered in itsourcecode Payroll Management System up to 1.0. This affects an unknown function of the file /index.php. Performing a manipulation of the argument page results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (18.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Itsourcecode Payroll Management System — versions 1.0

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-4877?: CVE-2026-4877 is a medium-severity vulnerability in Itsourcecode Payroll Management System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-26.
How severe is CVE-2026-4877?: Medium severity. CVSS v3 base score is 4.3 out of 10.