| id: GO-2026-4317 |
| modules: |
| - module: github.com/mattermost/mattermost-server |
| versions: |
| - fixed: 4.0.5+incompatible |
| - introduced: 4.1.0+incompatible |
| - fixed: 4.1.1+incompatible |
| - introduced: 4.2.0-rc1+incompatible |
| - fixed: 4.2.0+incompatible |
| vulnerable_at: 4.2.0-rc4+incompatible |
| summary: Mattermost Server does not neutralize HTML content in an Email template field in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2017-18892 |
| ghsas: |
| - GHSA-wj5w-qghh-gvqp |
| references: |
| - advisory: https://github.com/advisories/GHSA-wj5w-qghh-gvqp |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-18892 |
| - web: https://github.com/mattermost/mattermost/commit/4e05fbffed4d7ad75c0bb55d67d2c6f7cf9eaad6 |
| - web: https://github.com/mattermost/mattermost/commit/d76946bdb545aba4088943fc523dabb459d22873 |
| - web: https://github.com/mattermost/mattermost/commit/f5167f3ba645b829f4c28530e13be6c3db967255 |
| - web: https://mattermost.com/security-updates |
| source: |
| id: GHSA-wj5w-qghh-gvqp |
| created: 2026-01-16T00:26:24.144140899-05:00 |
| review_status: UNREVIEWED |
