| Package | Affected versions | Patched versions |
|---|---|---|
| terminalfour | ≥ 8.0.0, < 8.4.1.2 | 8.4.1.2 |
In Terminalfour 8 through 8.4.1.1, the userLevel parameter in the user management function is not subject to proper server-side authorization checks. A Power User can intercept and modify this parameter to assign the Administrator role to other existing lower-privileged accounts, or invite a new lower-privileged account and escalate its privileges. While manipulating this request, the Power User can also change the target account's password, effectively taking full control of it.
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