CVE-2023-2808

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published5/29/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

mattermost:mattermost

Weaknesses (CWE)

CWE-20

References

https://mattermost.com/security-updates/(responsibledisclosure@mattermost.com)

https://mattermost.com/security-updates/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.