The REST API | Custom API Generator For Cross Platform And Import Export In WP plugin for WordPress is vulnerable to Privilege Escalation due to a missing capability check on the process_handler() function in versions 1.0.0 to 2.0.3. This makes it possible for unauthenticated attackers to POST an arbitrary import_api URL, import specially crafted JSON, and thereby create a new user with full Administrator privileges.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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