CVE-2023-47168

MEDIUM

Mattermost < 7.8.12 and 9.1.0-9.1.1 - Open Redirect via OAuth Redirect Parameter

Title source: llm

Description

Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 4.3

EPSS 0.0019

EPSS Percentile 40.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-601

Status published

Products (4)

mattermost/mattermost 9.1.0

mattermost/mattermost < 7.8.12

mattermost/mattermost 9.1.0 - 9.1.1Go

mattermost/mattermost-server 0 - 7.8.13Go

Published Nov 27, 2023

Tracked Since Feb 18, 2026