PT-2020-8467 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-24 · CVE-2017-18921

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 3.6.0 Mattermost Server version 3.5.2

Description: An issue allows XSS to occur via a link on an error page.

Recommendations: For versions prior to 3.6.0, update to version 3.6.0 or later. For version 3.5.2, update to a newer version that contains a fix for this issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2017-18921

Affected Products

Mattermost Server

References · 3

• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18921 · Security Note
• https://osv.dev/vulnerability/CVE-2017-18921 · Vendor Advisory