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OpenAdvisories
Medium · 6.5 CVE-2023-1777 BIT-mattermost-2023-1777EUVD-2023-0855GHSA-3wq5-3f56-v5xc

Information disclosure in linked message previews

Published Mar 31, 2023 · Updated Dec 6, 2024 · Assigned by Mattermost

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.

Affected products

VendorProductAffectedFixed
Mattermost Mattermost 6.3.0 – ≤ 7.7.1, 6.3.0 – ≤ 7.1.5, 6.3.0 – ≤ 7.8.0 7.8.1

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/mattermost/mattermost-server >= 7.8.0, < 7.8.1 7.8.1 GHSA-3wq5-3f56-v5xc
Go github.com/mattermost/mattermost-server >= 7.7.0, < 7.7.2 7.7.2 GHSA-3wq5-3f56-v5xc
Go github.com/mattermost/mattermost-server >= 7.1.0, < 7.1.6 7.1.6 GHSA-3wq5-3f56-v5xc
Go github.com/mattermost/mattermost-server >= 1.4.1-0.20211025164829-f7a8147b825c, < 1.4.1-0.20230301145909-10be118d99a5 1.4.1-0.20230301145909-10be118d99a5 GHSA-3wq5-3f56-v5xc
Go github.com/mattermost/mattermost-server/v6 >= 6.3.0, < 7.1.6 7.1.6 GHSA-3wq5-3f56-v5xc
Go github.com/mattermost/mattermost-server/v6 >= 6.0.0-20211025164829-f7a8147b825c, < 6.0.0-20230301145909-10be118d99a5 6.0.0-20230301145909-10be118d99a5 GHSA-3wq5-3f56-v5xc

Advisories 1

References