XSS in Chatwoot

CVE-2021-3741

A stored cross-site scripting (XSS) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.6. The vulnerability occurs when a user uploads an SVG file containing a malicious XSS payload in the profile settings…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-3741?
CVE-2021-3741 is a medium-severity vulnerability in Chatwoot, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-11-15.
How severe is CVE-2021-3741?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-3741 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.