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githubGitHub Advisory DatabaseGHSA-4GHX-8JW8-P76Q
HistoryNov 27, 2023 - 12:30 p.m.

Mattermost Open Redirect vulnerability

2023-11-2712:30:54
CWE-601
GitHub Advisory Database
github.com
7
mattermost
open redirect
vulnerability
redirect url
parameter
invalid custom url scheme
oauth

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7

Confidence

Low

EPSS

0.001

Percentile

17.0%

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=

Affected configurations

Vulners
Node
github.com\/mattermost\/mattermostserver\/v6Range<7.8.13
OR
github.com\/mattermost\/mattermostserverRange<8.1.4
OR
github.com\/mattermost\/mattermostserverRange<9.0.2
OR
github.com\/mattermost\/mattermostserverRange<9.1.1

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7

Confidence

Low

EPSS

0.001

Percentile

17.0%