Cross-Site Scripting Vulnerability in Flowise Software by FlowiseAI
CVE-2025-71331

5.1MEDIUM

Key Information:

Vendor

Flowise

Status
Vendor
CVE Published:
20 June 2026

What is CVE-2025-71331?

Prior to version 3.0.8, Flowise software has a vulnerability that permits cross-site scripting due to inadequate input filtering in chat messages and custom agent functions. An attacker can exploit this flaw by sending an iframe payload within a chat box or through a custom agent function, allowing external scripts to be executed in the victim's browser. This leads to the potential theft of cookies and session information, compromising user security and privacy.

Affected Version(s)

Flowise 0 < 3.0.8

Flowise 3.0.8

References

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

quitbug
.