GitHub Advisoryadvisory · Go

GHSA-8q4v-35v6-g8wr Mattermost Server is vulnerable CSV Injection

CRITICAL Published 2022-05-24 Modified 2026-01-12 Official page ↗
Aliases
CVE-2017-18900
Ecosystem
Go
Packages
github.com/mattermost/mattermost-server
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-1236
Reviewed
2026-01-12

Affected packages

• Go github.com/mattermost/mattermost-server: < 3.10.3 → fixed in 3.10.3 • Go github.com/mattermost/mattermost-server: >= 4.0.0, < 4.0.3 → fixed in 4.0.3

Description

An issue was discovered in Mattermost Server before 4.0.4 and 3.10.3. It allows CSV injection via a compliance report.

Related

Alias · CVE (1)

  • CVE-2017-18900 An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. vulnerability

Weakness · CWE (1)

  • CWE-1236 Improper Neutralization of Formula Elements in a CSV File weakness

References