---
id: CVE-2025-14320
title: >-
  Improper neutralization of input during web page generation ('cross-site
  scripting') vulnerability in Tegsoft Management and Information Services Trade
  Limited Company Online Support Application allows Reflected XSS.


  This issue affects …
summary: >-
  Improper neutralization of input during web page generation ('cross-site
  scripting') vulnerability in Tegsoft Management and Information Services Trade
  Limited Company Online Support Application allows Reflected XSS.


  This issue affects …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-79
published: '2026-05-04'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T22:10:00.273'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14320'
references:
  - url: 'https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0142'
    label: iletisim@usom.gov.tr
  - url: 'https://www.usom.gov.tr/bildirim/tr-26-0142'
    label: iletisim@usom.gov.tr
tags:
  - nvd
epss: 0.00327
epssPercentile: 0.23393
ingestedAt: '2026-09-30T22:27:27.775Z'
---

## Overview

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Tegsoft Management and Information Services Trade Limited Company Online Support Application allows Reflected XSS.

This issue affects Online Support Application: from V3 through 31122025.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.