Cross-site scripting in Rocket.Chat - CVE-2020-8292
Published: December 30, 2025
Vulnerability identifier: #VU120628
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2020-8292
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Affected software
Rocket.Chat
How to mitigate CVE-2020-8292
Install updates from vendor's website.
Rocket.Chat - update to 3.9.0