CVE-2024-6624: Parorrey JSON API User

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

The JSON API User plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 3.9.3. This is due to improper controls on custom user meta fields. This makes it possible for unauthenticated attackers to register as administrators on the site. The plugin requires the JSON API plugin to also be installed.

Affected products

• Parorrey JSON API User: before 3.9.4 (fixed in 3.9.4)

Published 2024-07-11. Last modified 2026-06-17.