CVE-2023-1777CWE-200

Information disclosure in linked message previews

Medium · published March 31, 2023

CVSS v3.1
6.5
EPSS
1%
Percentile
44.4
In the wild
Unconfirmed
What it is

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00537 · 44.4th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2023-03-31T11:35Z
EPSS history
Timeline
  • 31 MAR 11:35Z
    Information disclosure in linked message previews
    cvelistv5