Description
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/
Scores
CVSS v3
6.1
EPSS
0.0018
EPSS Percentile
39.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (3)
mattermost/mattermost-server
0 - 4.1.2Go
mattermost/mattermost_server
4.3.0 rc1 (4 CPE variants)
mattermost/mattermost_server
< 4.1.2
Published
Jun 19, 2020
Tracked Since
Feb 18, 2026