How to fix CVE-2024-0640?

Within 30 days: Identify affected systems running chatwoot/chatwoot and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Chatwoot affected by CVE-2024-0640?

Organizations using chatwoot/chatwoot should be aware of moderate risk from CVE-2024-0640, a cross-site scripting vulnerability rated CVSS 4.8. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2024-0640

MEDIUM

2025-03-20 [email protected]

XSS Chatwoot

4.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:32 vuln.today

Patch Released

Mar 28, 2026 - 18:32 nvd

Patch available

PoC Detected

Oct 28, 2025 - 18:15 vuln.today

Public exploit code

CVE Published

Mar 20, 2025 - 10:15 nvd

MEDIUM 4.8

DescriptionNVD

A stored cross-site scripting (XSS) vulnerability exists in chatwoot/chatwoot versions 3.0.0 to 3.5.1. This vulnerability allows an admin user to inject malicious JavaScript code via the dashboard app settings, which can then be executed by another admin user when they access the affected dashboard app. The issue is fixed in version 3.5.2.

AnalysisAI

A stored cross-site scripting (XSS) vulnerability exists in chatwoot/chatwoot versions 3.0.0 to 3.5.1. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A stored cross-site scripting (XSS) vulnerability exists in chatwoot/chatwoot versions 3.0.0 to 3.5.1. This vulnerability allows an admin user to inject malicious JavaScript code via the dashboard app settings, which can then be executed by another admin user when they access the affected dashboard app. The issue is fixed in version 3.5.2. Affected products include: Chatwoot. Version information: version 3.5.2..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2024-0640 vulnerability details – vuln.today

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