CVE-2024-0640: Stored XSS in chatwoot/chatwoot

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-03-20 · updated 2026-06-17
Weakness: CWE-79

Description

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

chatwoot/chatwoot: before 3.5.2 — fixed in 3.5.2

How to fix

Upgrade to a fixed version: chatwoot/chatwoot 3.5.2. Check the vendor advisory for mitigations.

References

https://github.com/chatwoot/chatwoot/commit/e39c14460b860d5e3d23d989dd6af48404ad1bb4
https://huntr.com/bounties/08b3bebf-ce3c-4416-b75e-1927ba61de85

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