# CVE-2026-116639: MD-MAFUJUL-HASAN Online-Payroll-Management-System chat.php cross site scripting

Status: published. Published: 2026-10-27. Updated: 2026-11-02.

A vulnerability was detected in MD-MAFUJUL-HASAN Online-Payroll-Management-System up to a8902bf64575e325f6d6bf93a55f7bd273ec58cd. Affected is an unknown function of the file chat.php. Performing a manipulation of the argument ID results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- MD-MAFUJUL-HASAN / Online-Payroll-Management-System: a8902bf64575e325f6d6bf93a55f7bd273ec58cd (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 3.5 (low); CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 3.5 (low); CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: 0.20% as of 2026-11-02; percentile 9.68%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-79, CWE-94

## Exploit evidence

- exploit: https://github.com/MD-MAFUJUL-HASAN/Online-Payroll-Management-System/issues/2 (CNA: VulDB)

## References

- https://vuldb.com/vuln/426580 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/426580/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-116639 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1024501 (CNA: VulDB; third-party-advisory)

- https://github.com/MD-MAFUJUL-HASAN/Online-Payroll-Management-System/issues/2 (CNA: VulDB; exploit, issue-tracking)

- https://github.com/MD-MAFUJUL-HASAN/Online-Payroll-Management-System/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-116639; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-116639; retrieved 2026-11-02; source updated Not reported

Revision: f0c917204a6513b279f5bf6750cc9524c4cacb808b919e296253ff72605ebf91

Canonical: https://y2.dev/cve/CVE-2026-116639

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