Cross-Site Scripting in Flowise by FlowiseAI
CVE-2025-50538

8.2HIGH

Key Information:

Vendor

Flowiseai

Status
Flowise
Vendor
CVE Published:
6 October 2025

What is CVE-2025-50538?

The vulnerability in Flowise allows for Cross-Site Scripting (XSS) when an administrator views the chat log, potentially enabling attackers to inject malicious scripts via an IFRAME element. This security flaw affects versions before 3.0.5, posing risks to user data and application integrity.

Affected Version(s)

Flowise 0 < 3.0.5

References

https://github.com/FlowiseAI/Flowise/security/advisories/...
https://github.com/FlowiseAI/Flowise/pull/4905
https://github.com/FlowiseAI/Flowise/releases/tag/flowise...

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-50538 : Cross-Site Scripting in Flowise by FlowiseAI