CVE-2017-18900 — Injection in Mattermost Mattermost-server

CWE-74 — InjectionCWE-1236 — Improper Neutralization of Formula Elements in a CSV File5 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.6%
top 29.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Mattermost Mattermost-serverMattermost Server
Timeline
PublishedJun 19
Latest updateJan 13

Description

An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows CSV injection via a compliance report.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDmattermost/mattermost_server4.0.0 — 4.0.4+1
▶Gogithub.com/mattermost_mattermost-server4.0.0+incompatible — 4.0.3+incompatible+3

🔴Vulnerability Details

4
OSV
Mattermost Server is vulnerable CSV Injection in github.com/mattermost/mattermost-server↗2026-01-13
▶
OSV
Mattermost Server is vulnerable CSV Injection↗2022-05-24
▶
GHSA
Mattermost Server is vulnerable CSV Injection↗2022-05-24
▶
CVEList
CVE-2017-18900: An issue was discovered in Mattermost Server before 4↗2020-06-19
▶
CVE-2017-18900 — Injection | cvebase