The RestroPress WordPress plugin before 3.4.6 does not validate a client-supplied item add-on price on the server side when items are added to or updated in the cart, allowing unauthenticated users to set an arbitrary price and place orders for an attacker-chosen total, down to and including zero.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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