CVE-2017-18882

6.1 mediumEPSS 0.7%

Medium (6.1) in mattermost mattermost server. EPSS 0.7% chance of exploitation in the next 30 days.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS can occur via OpenGraph data.

Severity

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-06-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19