Vulnerability · Published Mar 26, 2026 · Assigned by VulDB

CVE-2026-4877itsourcecode Payroll Management System index.php cross site scripting

Medium 4.3

In plain English

A medium-severity cross-site scripting in Payroll Management System from itsourcecode. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 80.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
itsourcecode	Payroll Management System	1.0

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References

VDB-353560 | itsourcecode Payroll Management System index.php cross site scripting vdb-entry, technical-description
VDB-353560 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #776249 | itsourcecode Payroll Management System V1.0 Cross Site Scripting third-party-advisory
https://github.com/ltranquility/submit/issues/4 exploit, issue-tracking
https://itsourcecode.com/ product