CVE-2017-18889

MEDIUM · CVSS 4.3 EPSS 0.66%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-06-19 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2017-18889

Severity

MEDIUM

CVSS

4.3

EPSS

0.66%

Original NVD Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. An attacker could create fictive system-message posts via webhooks and slash commands, in the v3 or v4 REST API.