What is GHSA-8q4v-35v6-g8wr?

GHSA-8q4v-35v6-g8wr is a security advisory published by GitHub Security Advisories with Critical severity. Mattermost Server is vulnerable CSV Injection

Which CVE IDs does GHSA-8q4v-35v6-g8wr cover?

GHSA-8q4v-35v6-g8wr covers the following CVE IDs: CVE-2017-18900. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8q4v-35v6-g8wr?

GHSA-8q4v-35v6-g8wr has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-8q4v-35v6-g8wr?

GHSA-8q4v-35v6-g8wr affects 2 products, including: go/github.com/mattermost/mattermost-server:\u003c 3.10.3; go/github.com/mattermost/mattermost-server:\u003e= 4.0.0, \u003c 4.0.3.

GHSA-8q4v-35v6-g8wrCriticalCVSS 9.8

Mattermost Server is vulnerable CSV Injection

Vendor

GitHub Security Advisories

Published

May 24, 2022

Last Modified

January 12, 2026

🔗 CVE IDs covered (1)

CVE-2017-18900 →

📋 Description

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

🎯 Affected products2

go/github.com/mattermost/mattermost-server:< 3.10.3
go/github.com/mattermost/mattermost-server:>= 4.0.0, < 4.0.3

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2017-18900
https://github.com/mattermost/mattermost/commit/eaa598aba901a20c65c52dd1e1b82e7e1dffb962
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-8q4v-35v6-g8wr