FlowiseAI Flowise up to 3.0.4 Chat Log cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in FlowiseAI Flowise up to 3.0.4. The impacted element is an unknown function of the component Chat Log. Such manipulation leads to cross site scripting. This vulnerability is traded as CVE-2025-50538. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FlowiseAI Flowise up to 3.0.4. Affected by this issue is some unknown functionality of the component Chat Log. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

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

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-50538 since 06/16/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 3.0.5 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-32481) and CERT Bund (WID-SEC-2025-2197). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source Flowise

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CNA Base Score: 8.2
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Flowise 3.0.5
Patch: github.com

Timelineinfo

06/16/2025 CVE reserved
10/06/2025 +112 days Advisory disclosed
10/06/2025 +0 days VulDB entry created
10/08/2025 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-964p-j4gg-mhwc
Status: Confirmed

CVE: CVE-2025-50538 (🔒)
GCVE (CVE): GCVE-0-2025-50538
GCVE (VulDB): GCVE-100-327224
EUVD: 🔒
CERT Bund: WID-SEC-2025-2197 - Flowise: Mehrere Schwachstellen ermöglichen Cross-Site Scripting

Entryinfo

Created: 10/06/2025 07:38
Updated: 10/08/2025 03:24
Changes: 10/06/2025 07:38 (67), 10/06/2025 08:55 (1), 10/07/2025 05:42 (7), 10/08/2025 03:24 (9)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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