What is CVE-2024-0640?

CVE-2024-0640 is a medium-severity vulnerability in Chatwoot, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-03-20.

How severe is CVE-2024-0640?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Chatwoot

CVE-2024-0640

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Chatwoot
Chatwoot Chatwoot/chatwoot — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.com/bounties/08b3bebf-ce3c-4416-b75e-1927ba61de85 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/chatwoot/chatwoot/commit/e39c14460b860d5e3d23d989dd6af48404ad1bb4 (Patch)

Frequently asked questions

What is CVE-2024-0640?: CVE-2024-0640 is a medium-severity vulnerability in Chatwoot, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-03-20.
How severe is CVE-2024-0640?: Medium severity. CVSS v3 base score is 4.8 out of 10.