Is CVE-2026-3993 actively exploited?

No active exploitation of CVE-2026-3993 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-3993 be exploited remotely?

Yes. CVE-2026-3993 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-3993?

CVE-2026-3993 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2026-3993

MEDIUM

CVE-2026-3993

CWE-79Published: March 12, 2026· Updated: Mar 12, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:9.2th

Official Description

A security vulnerability has been detected in itsourcecode Payroll Management System 1.0. This vulnerability affects unknown code of the file /manage_employee_deductions.php. Such manipulation of the argument ID leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

NVD Source

Technical Analysis

CVE-2026-3993 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.