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.
References
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2023-05-29T09:07:34.768Z

Updated: 2024-08-02T06:33:05.597Z

Reserved: 2023-05-19T09:34:03.996Z

Link: CVE-2023-2808

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2023-05-29T10:15:10.083

Modified: 2023-06-05T16:33:44.327

Link: CVE-2023-2808

cve-icon Redhat

No data.