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TI-2016-09118 Aliases CVE-2016-11083GHSA-rm24-25xm-9454

An issue was discovered in Mattermost Server before 2.2.0.

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

An issue was discovered in Mattermost Server before 2.2.0. It allows XSS because it configures files to be opened in a browser window.

Why it matters now

EPSS 0.0069 53rd percentileScored 2026-11-07
Fix Fixed github.com/mattermost/mattermost-server (Go): 2.2.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/mattermost/mattermost-server (Go)before 2.2.02.2.0Patch availableGHSA-rm24-25xm-9454
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected before 2.2.0 Fixed in 2.2.0 Patch available GHSA-rm24-25xm-9454

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*before 2.2.0VulnerableMattermost
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions before 2.2.0 Vulnerable ·Mattermost

Remediation

  • Fix · GHSA-rm24-25xm-9454 github.com/mattermost/mattermost-server (Go) Fixed in 2.2.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-11083
  2. 2026-10-03 Alias added: GHSA-rm24-25xm-9454

References

  • TI-2025-18933 Arbitrary file read in Mattermost Boards via import & export board archive CVSS 3.1CRITICAL 9.9
  • TI-2025-04465 Path Traversal Leading to RCE by Any Authenticated Mattermost User CVSS 3.1CRITICAL 9.9
  • TI-2017-14068 An issue was discovered in Mattermost Server before 3.6.2. CVSS 3.1CRITICAL 9.8
  • TI-2017-14060 An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. CVSS 3.1CRITICAL 9.8
  • TI-2017-14048 An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. CVSS 3.1CRITICAL 9.8
  • TI-2025-14360 Arbitrary file read via block duplication in Mattermost Boards CVSS 3.1CRITICAL 9.9
See all 505 →

Sources