CVEvulnerability

CVE-2023-4478

8.2 HIGH Published 2023-08-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-08-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1 ([email protected])
8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Weaknesses
CWE-74

Description

Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.

Affected configurations

• mattermost mattermost server (< 7.8.9) • mattermost mattermost server (>= 7.9.0 < 7.10.5) • mattermost mattermost server 8.0.0

Related

Weakness · CWE (1)

  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness

References