CVE-2017-18893
MEDIUM6.1EPSS 0.36%Mattermost Server is vulnerable to XSS through display name field
Published: 5/24/2022Modified: 2/3/2026
Description
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS.
Affected packages (2)
- Go/github.com/mattermost/mattermost-serverfrom 0, < 4.0.5
- Go/github.com/mattermost/mattermost-serverfrom 0, < 4.0.5+incompatible, >= 4.1.0+incompatible, < 4.1.1+incompatible, >= 4.2.0-rc1+incompatible, < 4.2.0+incompatible
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-887v-xh2x-47cm
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-18893
- PATCHhttps://github.com/mattermost/mattermost
- WEBhttps://github.com/mattermost/mattermost/commit/2a4d88d07c5815deac103e109550d25338507151
- WEBhttps://github.com/mattermost/mattermost/commit/670bfbf62686ebe9f2ab332733d851a62b6950b0
- WEBhttps://github.com/mattermost/mattermost/commit/d0b42b9e527e93a61fd06a9b9106fc97067807e4
- WEBhttps://mattermost.com/security-updates