PT-2020-8012 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2025-11-07 · CVE-2016-11083

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 2.2.0

Description: An issue was discovered that allows XSS because it configures files to be opened in a browser window.

Recommendations: For versions prior to 2.2.0, update to version 2.2.0 or later to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2016-11083

GHSA-RM24-25XM-9454

GO-2025-4065

OPENSUSE-SU-2025:15710-1

Affected Products

Mattermost Server

References · 82

• https://osv.dev/vulnerability/CVE-2016-11083 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-11083 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:15710-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-rm24-25xm-9454 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-4065 · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/480308b7029a04cf41d0e9e7cd68b52dc2138e98 · Note
• https://suse.com/security/cve/CVE-2025-58356 · Note
• https://suse.com/security/cve/CVE-2025-61141 · Note
• https://suse.com/security/cve/CVE-2025-64102 · Note
• https://suse.com/security/cve/CVE-2025-62375 · Note
• https://suse.com/security/cve/CVE-2016-11074 · Note
• https://suse.com/security/cve/CVE-2025-58075 · Note
• https://suse.com/security/cve/CVE-2016-11072 · Note