CVE-2025-50538

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

Affected

FlowiseAI · Flowise

CVSS v3.1 NVD

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

CVSS v3.1 MITRE

8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

CVSS v3.1 GitHub

9.3 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

EPSS

14.04% chance of exploitation in the next 30 days, 97th percentile

Published

2025-10-06

Proof-of-concept exploits (1)

• advisories/GHSA-964p-j4gg-mhwc

Security advisories

• FlowiseAI/Flowise/security/advisories/GHSA-964p-j4gg-mhwc
• FlowiseAI/Flowise/pull/4905

References

• CVE Record
• NVD entry