CVE-2024-1952

2024-02-2911:15:08

CWE-200

[email protected]

web.nvd.nist.gov

mattermost

data sanitization

vulnerability

permalinks

plugin

authenticated attacker

ephemeral post

channels

CVSS3

3.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

3.6

Confidence

High

EPSS

Percentile

9.0%

JSON

Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts’ contents in channels they are not a member of.