gcdRadar
archive/Patch now/AIR-2025-0349
closedclosed 3 Oct 2025Patch now2 Disclosed vulnerabilityAI

Flowise vulnerable to XSS

Flowise

Flowise contains a cross-site scripting vulnerability due to insufficient input filtering in chat box inputs. Attackers can leverage this to execute malicious JavaScript code in victim browsers.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

fix status
Fix status unknown
first report
3 Oct 2025
last update
3 Oct 2025

Timeline · 1

  1. 3 Oct 2025GHSA-4fr9-3x69-36wv: Flowise vulnerable to XSS

Sources · 1

Advisories and databases

  1. 2025-10-03
    GHSA-4fr9-3x69-36wv: Flowise vulnerable to XSS
    GitHub Advisory Database · github.com/advisories/GHSA-4fr9-3x69-36wv

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Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
ghsa-4fr9-3x69-36wvxss
dates
happened 3 Oct 2025 · first reported 3 Oct 2025
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:14Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# Flowise vulnerable to XSS

https://gcdradar.vercel.app/incidents/ghsa-4fr9-3x69-36wv-flowise-vulnerable-to-xss · AIR-2025-0349 · closed 2025-10-03

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-10-03
- AI role: Attack on AI
- Products: Flowise

## Summary

Flowise contains a cross-site scripting vulnerability due to insufficient input filtering in chat box inputs. Attackers can leverage this to execute malicious JavaScript code in victim browsers.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-10-03: GHSA-4fr9-3x69-36wv: Flowise vulnerable to XSS (https://github.com/advisories/GHSA-4fr9-3x69-36wv)

## Sources

- 2025-10-03 GitHub Advisory Database: GHSA-4fr9-3x69-36wv: Flowise vulnerable to XSS https://github.com/advisories/GHSA-4fr9-3x69-36wv

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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