CVE-2022-21830

6.1 mediumEPSS 0.8%

Medium (6.1) in rocket.chat livechat. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in @rocket.chat/livechat 1.9.0.

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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2022-04-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rocket.chat:livechat

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-hf55-c445-2w97	npm	@rocket.chat/livechat	<1.9.0	1.9.0

References

https://hackerone.com/reports/1091118
https://hackerone.com/reports/1091118

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