CVE-2023-2793

MEDIUM

Mattermost 7.8.0-7.8.2 - Denial of Service via Link Preview

Title source: llm
STIX 2.1

Description

Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0030
EPSS Percentile 53.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
mattermost/mattermost 7.10.0
mattermost/mattermost 7.8.0 - 7.8.3
Published Jun 16, 2023
Tracked Since Feb 18, 2026