GitHub Advisoryadvisory · Go

GHSA-fcwg-45jh-5qhf Mattermost Server vulnerable to CSRF if CORS is enabled

HIGH Published 2022-05-24 Modified 2026-01-12 Official page ↗
Aliases
CVE-2017-18903
Ecosystem
Go
Packages
github.com/mattermost/mattermost-server
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-352
Reviewed
2026-01-12

Affected packages

• Go github.com/mattermost/mattermost-server: < 3.9.2 → fixed in 3.9.2 • Go github.com/mattermost/mattermost-server: >= 3.10.0-rc1, < 3.10.2 → fixed in 3.10.2

Description

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.

Related

Alias · CVE (1)

  • CVE-2017-18903 An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. vulnerability

Weakness · CWE (1)

  • CWE-352 Cross-Site Request Forgery weakness

References