CVE-2023-2808

Published: May 29, 2023

Modified: Dec 6, 2024

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.

Vendor	Product	Versions
Mattermost	Mattermost	affected `0 - < 7.1.9` affected `0 - < 7.8.4` affected `0 - < 7.9.3` unaffected `7.1.9` unaffected `7.8.4` +2 more versions

Weaknesses (CWE)

CWE-20

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

https://mattermost.com/security-updates/

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CVE-2023-2808

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References