Cross-site scripting in Mattermost Server - CVE-2017-18893
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30204
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2017-18893
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS.
Affected software
Mattermost Server
How to mitigate CVE-2017-18893
Install update from vendor's website.
Mattermost Server - update to 4.1.1