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Vulnerability record · CVE-2025-50538 · published 6 October 2025

CVE-2025-50538: Flowiseai flowise cross-site scripting vulnerability

Flowiseai · Flowise

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

6.1 CVSS 3.1 Medium EPSS 14% · top 3.6% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/FlowiseAI/Flowise/pull/4905 Patch
https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.5 Release Notes
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-964p-j4gg-mhwc ExploitThird Party Advisory
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-964p-j4gg-mhwc ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-50538), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.