---
id: "CVE-2026-16020"
kind: "vulnerability"
aliases: ["CVE-2026-16020"]
title: "DefterAsist Financial Advisor Platform: stored XSS lets attackers run scripts"
severity: "medium"
cvss: 5.4
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["financial-advisor-platform", "other", "web-app"]
not_affected_if: []
published_at: "2026-10-28T09:17:06+00:00"
first_seen_at: "2026-10-28T09:32:03+00:00"
updated_at: "2026-10-28T09:34:07+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16020", "first_seen_at": "2026-10-28T09:32:03+00:00"}]
---

# DefterAsist Financial Advisor Platform: stored XSS lets attackers run scripts

DefterAsist Financial Advisor Platform by Fazile BACAK has a stored cross-site scripting flaw, so input saved by one user is rendered unescaped in pages. An attacker can run scripts in other users' browsers to read or act on their sessions.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-10-28T09:32:03+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-16020

## From the sources

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.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_