Description
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mattermost Mattermost
Default version status: unaffected
9.9.0 to ≤ 9.9.1affected9.5.0 to ≤ 9.5.7affected9.10.0affected9.8.0 to ≤ 9.8.2affected9.11.0unaffected9.9.2unaffected9.5.8unaffected9.10.1unaffected9.8.3unaffected