Vulnerability · Published Oct 6, 2025 · Assigned by mitre

CVE-2025-50538

High 8.2

In plain English

A high-severity cross-site scripting in Flowise from FlowiseAI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 14.7% (higher than 97% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)14.7%top 3.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmflowise3.0.8GHSA-964p-j4gg-mhwc

Affected products (as reported)

VendorProductVersions
FlowiseAI Flowise 0 – before 3.0.5

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

References