CVE-2023-1777

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMattermost Server
PublishedMar 31, 2023
First seenMar 31, 2023

How to fix

Update
  • mattermost mattermost_server7.1.6 or later
  • github.com/mattermost/mattermost-server/v67.1.6, 6.0.0-20230301145909-10be118d99a5 or later
  • github.com/mattermost/mattermost-server7.8.1, 7.7.2, 7.1.6, 1.4.1-0.20230301145909-10be118d99a5 or later

Affected products

ProductAffected versionsFixed in
mattermost mattermost_serverv < 7.1.6, 7.7.1, 7.8.07.1.6
github.com/mattermost/mattermost-server/v6Go6.3.0 ≤ v < 7.1.6, 6.0.0-20211025164829-f7a8147b825c ≤ v < 6.0.0-20230301145909-10be118d99a57.1.6, 6.0.0-20230301145909-10be118d99a5
github.com/mattermost/mattermost-serverGo7.8.0 ≤ v < 7.8.1, 7.7.0 ≤ v < 7.7.2, 7.1.0 ≤ v < 7.1.6, 1.4.1-0.20211025164829-f7a8147b825c ≤ v < 1.4.1-0.20230301145909-10be118d99a57.8.1, 7.7.2, 7.1.6, 1.4.1-0.20230301145909-10be118d99a5

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