| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost | ≥ 9.10.0, < 9.10.1≥ 9.5.0, < 9.5.8≥ 9.8.0, < 9.8.3≥ 9.9.0, < 9.9.2 | 9.10.19.5.89.8.39.9.2 |
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.
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