Cross-site scripting in Rocket.chat Livechat
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.0077 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed @rocket.chat/livechat (npm): 1.9.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Rocket.chat Livechat | Fixed in v1.9 | — | No fix listed | CNA |
| — | @rocket.chat/livechat (npm) | before 1.9.0 | 1.9.0 | Patch available | GHSA-hf55-c445-2w97 |
- Rocket.chat Livechat Vendor— Affected Fixed in v1.9 Fixed in — No fix listed CNA
- @rocket.chat/livechat (npm) Vendor— Affected before 1.9.0 Fixed in 1.9.0 Patch available GHSA-hf55-c445-2w97
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rocket.chat:livechat:*:*:*:*:*:*:*:* | before 1.9.0 | Vulnerable | Rocket.Chat |
- cpe:2.3:a:rocket.chat:livechat:*:*:*:*:*:*:*:* Versions before 1.9.0 Vulnerable ·Rocket.Chat
Remediation
- Fix · GHSA-hf55-c445-2w97 @rocket.chat/livechat (npm) Fixed in 1.9.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-21830
- 2026-10-03 Alias added: GHSA-hf55-c445-2w97
References
Sources
- CVE-2022-21830 · CVE Program
- CVE-2022-21830 · NVD
- FIRST EPSS
- GHSA-hf55-c445-2w97 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences