CVE-2022-21830: Rocket.chat Livechat

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

A blind self XSS vulnerability exists in RocketChat LiveChat <v1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.

Affected products

• Rocket.chat Livechat: before 1.9.0 (fixed in 1.9.0)

Published 2022-04-01. Last modified 2026-06-17.