Simple User Registration <= 6.4 - Authenticated (Contributor+) Privilege Escalation
| CVE | CVE-2025-53428 |
|---|---|
| CVSS | 8.8 (High) |
| Publicly Published | September 20, 2025 |
| Last Updated | May 19, 2026 |
| Researcher |
Peter Thaleikis
|
Description
The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.4. This makes it possible for authenticated attackers, with Contributor-level access and above, to gain access to administrative-level user accounts.
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Vulnerability Details for MemberHero – Simple User Registration & Login
| Software Type | Plugin |
|---|---|
| Software Slug | wp-registration (view on wordpress.org) |
| Patched? | No |
| Remediation | No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. |
| Affected Version |
|
Recent vulnerabilities in MemberHero – Simple User Registration & Login
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | Simple User Registration <= 6.7 - Authenticated (Subscriber+) Privilege Escalation via profile_save_field | CVE-2026-0844 | johska | January 27, 2026 | |
| 2 | Simple User Registration <= 6.6 - Unauthenticated Stored Cross-Site Scripting | CVE-2025-12160 | Athiwat Tiprasaharn (Jitlada) | November 20, 2025 | |
| 3 | Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation | CVE-2025-4334 | Chuck | June 25, 2025 | |
| 4 | Simple User Registration <= 5.5 - Missing Authorization to User Deletion | CVE-2024-53810 | stealthcopter | December 2, 2024 | |
| 5 | Simple User Registration <= 6.7 - Missing Authorization to Account Takeover | CVE-2024-49604 | stealthcopter | October 17, 2024 |
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