PT-2020-8459 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-24 · CVE-2017-18913

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 3.8.2 Mattermost Server versions prior to 3.7.5 Mattermost Server versions prior to 3.6.7

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

Recommendations: For versions prior to 3.8.2, update to version 3.8.2 or later. For versions prior to 3.7.5, update to version 3.7.5 or later. For versions prior to 3.6.7, update to version 3.6.7 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2017-18913

Affected Products

Mattermost Server

References · 4

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-18913 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18913 · Security Note
• https://t.me/cvenotify/4534 · Telegram Post