Cross Site Scripting Vulnerability in ComfyUI by ComfyAnonymous
CVE-2025-6092

5.3MEDIUM

Key Information:

Vendor

Comfyanonymous

Status
Comfyui
Vendor
CVE Published:
15 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6092?

A notable vulnerability has been identified in the ComfyUI product, specifically versions up to 0.3.39. This flaw relates to an incomplete fix for a previous vulnerability and affects the functionality of the '/upload/image' file. Exploiting this weakness allows an attacker to perform cross site scripting (XSS), creating opportunities for remote attacks. The disclosure of this vulnerability has been made public, and despite attempts to notify the vendor, no response has been received. Users are advised to take precautionary measures to secure their systems.

Affected Version(s)

comfyui 0.3.0

comfyui 0.3.1

comfyui 0.3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-6092 - Proof of Concept

References

https://vuldb.com/?id.312559
vdb-entrytechnical-description
https://vuldb.com/?ctiid.312559
signaturepermissions-required
https://vuldb.com/?submit.588224
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gavin Zhong (VulDB User)
.
CVE-2025-6092 : Cross Site Scripting Vulnerability in ComfyUI by ComfyAnonymous