Security Advisory

CVE-2025-14441

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-01-06 04:31:55

Last updated 2026-04-08 16:50:20

Assigner Wordfence

State PUBLISHED

Description

The Popupkit plugin for WordPress is vulnerable to arbitrary subscriber data deletion due to missing authorization on the DELETE `/subscribers` REST API endpoint in all versions up to, and including, 2.2.0. This is due to the `permission_callback` only validating wp_rest nonce without checking user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary subscriber records.

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