MemberHero – Simple User Registration & Login <= 6.9 - Unauthenticated Privilege Escalation

7.3
Improper Privilege Management
CVE CVE-2026-10522
CVSS 7.3 (High)
Publicly Published August 31, 2026
Last Updated September 1, 2026
Researcher Khaled Alenazi

Description

The MemberHero – Simple User Registration & Login plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.9. This is due to insufficient restriction on the capabilities a user may grant themselves. This makes it possible for unauthenticated attackers to elevate their privileges beyond those intended for their role.

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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
  • <= 6.9

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 8.8 johska January 27, 2026
2 Simple User Registration <= 6.6 - Unauthenticated Stored Cross-Site Scripting CVE-2025-12160 7.2 Athiwat Tiprasaharn (Jitlada) November 20, 2025
3 Simple User Registration <= 6.4 - Authenticated (Contributor+) Privilege Escalation CVE-2025-53428 8.8 Peter Thaleikis September 20, 2025
4 Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation CVE-2025-4334 9.8 Chuck June 25, 2025
5 Simple User Registration <= 5.5 - Missing Authorization to User Deletion CVE-2024-53810 9.1 stealthcopter December 2, 2024
6 Simple User Registration <= 6.7 - Missing Authorization to Account Takeover CVE-2024-49604 9.8 stealthcopter October 17, 2024

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