CVE-2025-14441
Medium · 4.3CVSS
4.3
EPSS
0.2%
Published
Jan 6, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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