PT-2020-8427 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-26 · CVE-2017-18881

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 4.3.0 Mattermost Server version 4.2.1 Mattermost Server version 4.1.2

Description: An issue was discovered in Mattermost Server where XSS could occur via a goto location response to a slash command.

Recommendations: For versions prior to 4.3.0, update to version 4.3.0 or later. For version 4.2.1, update to version 4.3.0 or later. For version 4.1.2, update to version 4.3.0 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2017-18881

Affected Products

Mattermost Server

References · 5

• https://osv.dev/vulnerability/CVE-2017-18881 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18881 · Security Note
• https://t.me/cvenotify/4516 · Telegram Post
• https://t.me/cibsecurity/12926 · Telegram Post