The EventPress WordPress theme before 22.2 does not sanitize or escape the 'id' parameter in the eventpress_customizer_notify_dismiss_action AJAX handler before outputting it back in the response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting attacks against logged-in users.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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