CVE-2023-1777

Information disclosure in linked message previews

State: Published
Severity: 6.5 Medium
Published: Mar 31, 2023
Updated: Dec 6, 2024
Reserved: Mar 31, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	Mattermost

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
MattermostMattermost	6.3.0 through 7.7.1Affected 6.3.0 through 7.1.5Affected 6.3.0 through 7.8.0Affected 7.8.1Not affected 7.7.2Not affected 7.1.6Not affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.