CVE-2021-3741: Chatwoot

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

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. When the avatar is opened in a new page, the custom JavaScript code is executed, leading to potential security risks.

Affected products

• Chatwoot Chatwoot: before 2.6.0 (fixed in 2.6.0)

Published 2024-11-15. Last modified 2026-06-17.