PT-2020-8002 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2025-11-07 · CVE-2016-11073

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 3.0.0

Description: The issue allows for XSS attacks via a Legal or Support setting. This can be exploited to execute malicious scripts.

Recommendations: For versions prior to 3.0.0, update to version 3.0.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the Legal and Support settings until the update is applied.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2016-11073

GHSA-9JRX-FGRM-96QH

GO-2025-4056

OPENSUSE-SU-2025:15710-1

Affected Products

Mattermost Server

References · 81

• https://nvd.nist.gov/vuln/detail/CVE-2016-11073 · Security Note
• https://osv.dev/vulnerability/GO-2025-4056 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-11073 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15710-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9jrx-fgrm-96qh · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/5ed7c3baa5b44356e92551c05e75ef2a47e2bf9b · 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