CVE-2024-6624
JSON API User <= 3.9.3 - Unauthenticated Privilege Escalation
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-269 |
| Vendor | parorrey |
| Product | json api user |
| Published | Jul 11, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
parorrey / JSON API User
0 ≤ 3.9.3
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/a4a26f60-5912-4d4a-8ef8-e4357c1fb1ff?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/json-api-user/trunk/controllers/User.php#L51 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/json-api-user/trunk/controllers/User.php#L187 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3115185/
Credits
Thanh Nam Tran