---
id: CVE-2025-50538
title: >-
  Flowise before 3.0.5 allows XSS via an IFRAME element when an admin views the
  chat log.
summary: >-
  Flowise before 3.0.5 allows XSS via an IFRAME element when an admin views the
  chat log.
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N'
cwe:
  - CWE-79
vendor: flowiseai
product: flowise
affected:
  - flowise < 3.0.5
patched:
  - flowise 3.0.5
published: '2025-10-06'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T16:10:00.223'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-50538'
references:
  - url: 'https://github.com/FlowiseAI/Flowise/pull/4905'
    label: cve@mitre.org
  - url: 'https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.5'
    label: cve@mitre.org
  - url: >-
      https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-964p-j4gg-mhwc
    label: cve@mitre.org
  - url: >-
      https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-964p-j4gg-mhwc
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.1404
epssPercentile: 0.96447
ingestedAt: '2026-09-30T17:13:20.713Z'
---

## Overview

Flowise before 3.0.5 allows XSS via an IFRAME element when an admin views the chat log.

## Affected

- `flowise < 3.0.5`

## Remediation

Upgrade past the affected range:

- `flowise 3.0.5`