The Restaurant Cafeteria WordPress theme through 0.4.6 exposes insecure admin-ajax actions without nonce or capability checks, allowing any logged-in user, like subscriber, to perform privileged operations. An attacker can install and activate a from a user-supplied URL, leading to arbitrary PHP code execution, and also import demo content that rewrites site configuration, including Restaurant Cafeteria WordPress theme through 0.4.6_mods, pages, menus, and front page settings.
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