---
id: CVE-2026-16020
title: Stored XSS Fazile BACAK's DefterAsist Financial Advisor Platform
summary: >-
  Improper neutralization of input during web page generation ('cross-site
  scripting') vulnerability in Fazile BACAK DefterAsist Financial Advisor
  Platform allows Stored XSS.


  This issue affects DefterAsist Financial Advisor Platform: thro…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: Fazile BACAK
product: DefterAsist Financial Advisor Platform
affected:
  - defterasist_financial_advisor_platform <= 2026-10-27
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T17:05:57.166809Z'
published: '2026-10-28'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T17:07:17.551Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-16020'
references:
  - url: 'https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1420'
tags:
  - cve.org
epss: 0.00133
epssPercentile: 0.02853
ingestedAt: '2026-10-28T09:08:02.562Z'
---

## Overview

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fazile BACAK DefterAsist Financial Advisor Platform allows Stored XSS.

This issue affects DefterAsist Financial Advisor Platform: through 2026-10-27.

## Affected

- `defterasist_financial_advisor_platform <= 2026-10-27`

## Remediation

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