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TI-2024-02271 Aliases CVE-2024-2445GHSA-m6gm-m2m7-vwxg

Reflected XSS in Mattermost Jira plugin

Priority LOW 27CWE-74Published · 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 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Mattermost Jira plugin versions shipped with Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to escape user-controlled outputs when generating HTML pages, which allows an attacker to perform reflected cross-site scripting attacks against the users of the Mattermost server.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 9.5.0, 9.4.3, 9.3.2 +2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MattermostMattermost9.4.0 – 9.4.2; 9.3.0 – 9.3.1; 9.2.0 – 9.2.5; 8.1.0 – 8.1.99.5.0, 9.4.3, 9.3.2, 9.2.6, 8.1.10Patch availableCNA
  • Mattermost VendorMattermost Affected 9.4.0 – 9.4.2; 9.3.0 – 9.3.1; 9.2.0 – 9.2.5; 8.1.0 – 8.1.9 Fixed in 9.5.0, 9.4.3, 9.3.2, 9.2.6, 8.1.10 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*8.1.0 to before 8.1.10; 9.2.0 to before 9.2.6; 9.3.0 to before 9.3.2; 9.4.0 to before 9.4.3VulnerableMattermost
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions 8.1.0 to before 8.1.10; 9.2.0 to before 9.2.6; 9.3.0 to before 9.3.2; 9.4.0 to before 9.4.3 Vulnerable ·Mattermost

Remediation

  • Fix · CNA Mattermost (Mattermost) Fixed in 9.5.0, 9.4.3, 9.3.2, 9.2.6, 8.1.10

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-2445
  2. 2026-10-03 Alias added: GHSA-m6gm-m2m7-vwxg

References

Advisory 1

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences