| id: GO-2026-4302 |
| modules: |
| - module: github.com/mattermost/mattermost-server |
| versions: |
| - fixed: 3.9.2+incompatible |
| - introduced: 3.10.0+incompatible |
| - fixed: 3.10.2+incompatible |
| vulnerable_at: 3.10.1+incompatible |
| summary: Mattermost Server vulnerable to XSS via an uploaded file in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2017-18904 |
| ghsas: |
| - GHSA-8pff-p3gx-w4jf |
| references: |
| - advisory: https://github.com/advisories/GHSA-8pff-p3gx-w4jf |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-18904 |
| - web: https://github.com/mattermost/mattermost/commit/6a2754376c8c8270be5e11e3fdab589659d0cc8d |
| - web: https://github.com/mattermost/mattermost/commit/bde06a7bc3a03a56da224c1ffcd8bffb0af8071b |
| - web: https://github.com/mattermost/mattermost/commit/f06c5bef4d78966c60b153bbec6eea4ec0be9e68 |
| - web: https://mattermost.com/security-updates |
| source: |
| id: GHSA-8pff-p3gx-w4jf |
| created: 2026-01-13T10:44:29.423079179-05:00 |
| review_status: UNREVIEWED |